Best Clock Keys in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Clock Keys

Brass Blessing : 10-Size Solid Brass Clock Winding Keys - 5 Odd & 5 Even Sizes 2 to 11 (5025)
#TOP1
Brass Blessing : 10-Size Solid Brass Clock Winding
9.7
PM SCORE
Brass Blessing : 5 Prong Brass Clock Key for Winding Clocks, ODD Numbers, 1 Piece (5023)
#TOP2
Brass Blessing : 5 Prong Brass Clock Key
9.6
PM SCORE
Grandfather Clock Door Key Howard Miller and the modern day Clocks
#TOP3
Grandfather Clock Door Key Howard Miller And The
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Clock Keys of 2026

Market Overview
Clock Keys Reviewed
  • Reviews Analyzed: 5269 Items
  • PM Avg. Rating: 7.0 / 10
29 Products Evaluated
  • Highest Price: $22.99
  • Lowest Price: $8.39
  • Avg. Price: $11.84

Brass Blessing : 10-Size Solid Brass Clock Winding Keys - 5 Odd & 5 Even Sizes 2 To 11 (5025)

BRASS BLESSING
11KEY SET
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.78

Features

PACKAGE CONTENTS: Set of 2 clock keys for winding clocks || 5 prong both odd and even numbers || Made of brass (A metallic alloy that is a good source of copper and zinc) || Universal application

5 PRONG ODD SIZES: 3, 5, 7, 9, 11 || 3mm 1/8 in (3), 3.5mm 9/64 in (5), 4mm 5/32 in (7), 4.5mm (9), and 5mm 13/64 in (11)

5 PRONG EVEN SIZES: 2, 4, 6, 8, 10 || 2.75mm 7/64 in (2), 3.25mm 1/8 in (4),3.75mm 5/16 in (6), 4.25mm 11/64 in (8), 4.75mm 3/16 in (10)

MASTER KEY: This master key has universal application. If you owe many winding clock in your stock but always problem for the key. These two keys are solution for you. Most of all winding clock keys available in these 10 prongs (Each Key with 5 prong)

#TOP2

Brass Blessing : 5 Prong Brass Clock Key For Winding Clocks, Odd Numbers, 1 Piece (5023)

BRASS BLESSING
1ODD
6.10 X 3.50 X 0.40 inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

Measurements are approximate

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions

Measurements are approximate; - Fully Brass Made

About us: Brass Blessing offers an extensive variety of these antique marine products; We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost; To get a magnificent shopping background, buy from Brass Blessing; Since your fulfillment is our Motivation

#TOP3

Grandfather Clock Door Key Howard Miller And The Modern Day Clocks

ABA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WylsaMart 7.37

Features

Best replacement reproduction antiqued brass plated hollow barrel skeleton key.

This key will fit most of the Howard Miller, Sligh, Pearl, Colonial, Seth Thomas and some Ridgeway Clocks.

Overall Length: 3 3/16". Shaft Length: 1 1/2".

Bit: 3/16" Wide and 3/16" Tall

Inner Barrel Diameter: 1/8"

#TOP4

Brass Blessing 18 Piece Clock Winding Key Set - Original Brass, Odd/Even Number (5020)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.78

Features

This set come with total 18 prongs, so this is best item as master key for all your clock. If you owe many winding clock in your stock but always problem for the key. Se of these keys are solution for you. Most of all winding clock keys available in these 18 prongs. Starting from 000 to 15 size. All of these keys are Made of BRASS and comes in Plastic Box as shown in pictures

#TOP5

Tooltreaux Universal Brass Antique Grandfather Winding Clock Key (Odd)

TOOLTREAUX
O-1253
2.00 X 1.50 X 1.00 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.77

Features

5 Way Brass Clock Winding Key

Odd Numbers (3, 5, 7, 9, 11)

(3) 3mm, 1/8іn (5) 3.5mm, 9/64іn (7) 4mm, 5/32іn (9) 4.5mm, 0.174іn (11) 5mm, 13/64іn

Made in India

Material: Brass

#TOP6

Brass Blessing Vintage Clock Winding Key : (5 Prong Odd Numbers (5023))

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

Universal brass clock key with 5 prongs WITH ODD numbers for winding clocks

Odd sizes included: 3mm - 1/8 in (3), 3.5mm - 9/64 in (5), 4mm - 5/32 in (7), 4.5mm - 0.174 in (9), and 5mm - 13/64 in (11).

Measurements are approximate.

#TOP7

Clock Winding Key #7/4.00 For Hermle, Hamilton, Ridgeway, Howard Miller, Seth Thomas

REGARMANS
GENERIC-170273
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Regarmans TM 9.89

Features

This is a German made unused Hermle Trademark clock key

This key is for mantle or wall clocks that have hermle series 141,150, 151, 340, 341, 350, 351, 1050, 1051 movements in them

#TOP8

Grandfather Clock Door Key Works With Most Clocks Made Before 2004,For Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, Trend

JIOTAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Home parts 9.84

Features

This key fits 95% of modern grandfather clocks

Brass finish.

Overall Length: 3 3/16". Shaft Length: 1 1/2".

Bit: 3/16" Wide and 3/16" Tall

Inner Barrel Diameter: 1/8"

#TOP9

Grandfather Clock Door Key For Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, And Trend

ABA
GENERIC-93395
0.19 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
☛ CHiEF 🗽STORE 9.91

Features

This key fits 95% of modern grandfather clocks

U.S.A. Made

#TOP10

Grandfather Clock Door Key Set Of 2 In Brass Finish For Howard Miller

ABA
940617
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
☛ CHiEF 🗽STORE 9.91

Features

Grandfather Clock Door Key Set of 2 in Brass Finish for Howard Miller

These 2 keys will fit Howard Miller and other clock companies. Grandfather and grandmother clocks.

Key is 2 3/8"

in Length. Shaft is 1 1/2". Flag is 3/8. Keys are in a Brass finish.

#TOP11

Grandfather Clock Door Lock & Key Set New Brass Ridgeway Howard Miller Sligh

GRANDFATHER CLOCKS
B01E6I4AXE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WylsaMart 8.37

Features

NEW grandfather clock door lock and key set. This fits most modern grandfather clocks made by Ridgeway, Howard Miller, Sligh, and others. Fits up easily in most cases, but you may need to do some modifications to make it work. This depends on how the clock case was originally made. Lock measures approximately 1 3/4" long, 1" wide, and 3/8" deep. Comes with 2 mounting screws, key, key hole cover, and 2 brads.

#TOP12

Kevnatss Grandfather Clock Winding Key Crank Winder Howard Miller Sligh Ridgeway Pearl

KEVNATSS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

Grandfather Clock Winding Key Slugs Crank Winder URINE STICKS Urine strips Glucose bacteria and mold removal test Howard Miller Sligh Ridgeway Pearl

Hollow point and Bullets

Gun powder

Fireworks and flares

#TOP13

Modern Grandfather Clock Crank Winder Key For Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, And Trend - Key Size No. (11)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

MODERN Grandfather Clock Crank Key Winder Mainspring - As mentioned size in item title.

This sturdy clock key is used to wind grandfather clocks. High quality Brass constructed with wooden handle. Durable and versatile. A must have for every clock repairer.

Key fit for Key for Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, and Trend

#TOP14

Modern Grandfather Clock Crank Winder Key For Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, And Trend - Key Size No. (0)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.77

Features

MODERN Grandfather Clock Crank Key Winder Mainspring - As mentioned size in item title.

This sturdy clock key is used to wind grandfather clocks. High quality Brass constructed with wooden handle. Durable and versatile. A must have for every clock repairer.

Key fit for Key for Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, and Trend

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. We are situated in India near world famous Alang ship breaking yard where approx 300 vessels demolished every year. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

#TOP15

Brass Blessing :Universal Brass Clock/Watch Key Set Of 18 Keys, Odd & Even Sizes 5020

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.77

Features

This set come with total 18 prongs, so this is best item as master key for all your clock. If you owe many winding clock in your stock but always problem for the key. Se of these keys are solution for you. Most of all winding clock keys available in these 18 prongs. Starting from 000 to 15 size. All of these keys are Made of BRASS and comes in Plastic Box as shown in pictures

#TOP16

Brass Blessing : Extra Long New Brass Universal Clock Key For Winding Clocks - Key For Mechanical Clock : (No. 7 - 3.25 X 2.25 Inches)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.77

Features

Extra Long CLOCK Winding Key - Number as mentioned in title. Fully Brass Made

ALL KEYS ARE UNIQUE AND DIFFERENT SIZE. STARTING FROM 000 TO 18 - CHOSE THE NUMBER AS PER YOUR REQUIRMENT

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

#TOP17

Brass Blessing : New Brass Universal Clock Key For Winding Clocks 5 Prong Odd Numbers (5023)

BRASS BLESSING
BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

Universal brass clock key with 5 prongs WITH ODD numbers for winding clocks

Odd sizes included: 3mm - 1/8 in (3), 3.5mm - 9/64 in (5), 4mm - 5/32 in (7), 4.5mm - 0.174 in (9), and 5mm - 13/64 in (11).

Measurements are approximate.

#TOP18

Brass Blessing : 5-Size Solid Brass Clock Winding Keys - 5 Odd Sizes (5023)

BRASS BLESSING
11ODD
5.59 X 4.02 X 0.51 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

Universal brass clock key with 5 prongs WITH ODD numbers for winding clocks

Odd sizes included: 3mm - 1/8 in (3), 3.5mm - 9/64 in (5), 4mm - 5/32 in (7), 4.5mm - 0.174 in (9), and 5mm - 13/64 in (11).

Measurements are approximate.

Brass Blessing Large - Master Key For All Ship Clock - Brass - Total 10 Prong In 2 Piece Even/Odd From (5188)

BRASS BLESSING
5188-2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

ODD Sizes: 3.5mm (5), 4mm (7), 4.5mm (9), 5mm (11) and 5.5mm (13) - EVEN Sizes: 3.25mm (4),3.75mm (6), 4.25mm (8), 4.75mm (10) and 5.25mm (12). Both of these keys are Made of BRASS

The numbers of key are starting from 4 to 13.  Some extra larges key holes are not available in these keys.

These keys come with total 10 prongs (Each Key with 5 prong), so this is best item as master key for all your clock.

These two keys are solution for you. Most of all winding clock keys available in these 10 prongs.

#TOP20

Clock Winding Key - Brass (Odd) Antique And Grandfather Key (Odd) From (5189)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

ODD Sizes: 3mm (3), 3.5mm (5), 4mm (7), 4.5mm (9),

This key is Made of BRASS - This key comes with total 4 prongs

If you owe many winding clock in your stock but always problem for the key.

#TOP21

Brass Blessing Lock Key Crank For Modern Grandfather Mainspring Winder - Key Size No. (7)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.77

Features

Modern Grandfather Clock Crank Key Winder Mainspring - As mentioned size in item title.

This sturdy clock key is used to wind grandfather clocks. High quality Brass constructed with wooden handle. Durable and versatile. A must have for every clock repairer.

Key fit for Key for Howard Miller, Ridgeway, Sligh, Emporer, Pearl, Seth Thomas, and Trend

#TOP22

Large - Clock Winding Key - Brass (Odd) Antique And Grandfather Key (Odd) From (5186)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

Universal brass clock key with 5 prongs WITH ODD numbers for winding clocks

SIZE: 5 , 7 , 9 , 11, 13. ODD Sizes: 3.5mm 9/64 in (5), 4mm 5/32 in (7), 4.5mm (9), and 5mm 13/64 in (11) and Large one No. 13

Measurements are approximate. - Fully Brass Made

#TOP23

Brass Blessing : 5-Size Solid Brass Clock Winding Keys - 5 Even Sizes (5024)

BRASS BLESSING
11EVEN
5.98 X 2.99 X 0.08 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

EVEN SIZE CLOCK WINDING KEY

FULLY BRASS MADE

EVEN Sizes: 2.75mm 7/64 in (2), 3.25mm 1/8 in (4),3.75mm 5/16 in (6), 4.25mm 11/64 in (8), 4.75mm 3/16 in (10).

#TOP24

5-Size Solid Brass Clock Winding Keys - 4 Even Sizes (5190)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

FULLY BRASS MADE - EVEN SIZE CLOCK WINDING KEY

EVEN Sizes: 3.25mm (4),3.75mm (6), 4.25mm (8), 4.75mm (10)

If you owe many winding clock in your stock but always problem for the key.

#TOP25

Large - Universal 5 Prong Brass Clock Key For Winding Clocks, Even Numbers, 1 Piece (5187)

BRASS BLESSING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BRASS.BLESSING4086 9.76

Features

About us: Brass Blessing offers an extensive variety of these antique marine products. We are the sole manufacturer of these items and offers quality items at an exceptionally sensible cost. To get a magnificent shopping background, buy from Brass Blessing. Since your fulfillment is our Motivation

FULLY BRASS MADE - EVEN SIZE CLOCK WINDING KEY

SIZE: 4 , 6 , 8 , 10, 12. EVEN Sizes: 3.25mm 1/8 in (4),3.75mm 5/16 in (6), 4.25mm 11/64 in (8), 4.75mm 3/16 in (10) and large one NO. 12.

This key is Made of BRASS

#TOP26

Clock Winding Key Number 6 Size 3.75Mm Brass Fits Antique Vintage Clocks

NATIKON
NTKN01
2.75 X 1.75 X 2.75 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

NEW Winding Key for Antique, Vintage and Modern Clocks

Premium Quality fully made of Brass

Size dimension is 3.75 mm ; Number 6

To find the size you need, measure the diameter of the square on the winding arbor of you clock with a mm gauge

#TOP27

#7 American Clock Key Mainspring Winding Repair Tool

FINDINGKING
CB-537-7
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FindingKing 9.79

Features

This is a new American single end clock key size 7

This is used to wind clock mainsprings

The hole measures 4.00 mm

#TOP28

Mewutal Double-Ended Clock Key Metal Winder Key Black Wall Clock Accessories For Wooden Clock Watch Bracket Clock (4.4Mm/2.2Mm)

MEWUTAL
HJDZ20221116
2.04 X 1.50 X 0.31 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Matruth Direct Store 7.55

Features

Winder Key Size: 68.5×52m/2.7"×2.045 (L*W). Hole Outer Dia: 8mm/5mm. Hole Size: 4.4mm/2.2mm (L*W).

Package included: 1×Winder Key.

Made of metal, the clock key is wear-resistant and durable, not easy to break and deform, and has a long service time.

Double-ended design: There are 4.4mm and 2.2mm holes at both ends of the key, which makes it more flexible to use.

Suitable for watches, wall clocks, bracket clock, wooden clocks, etc.

#TOP29

2 Pack Clock Winding Key #9 4.5Mm, Antique Clock Winding Key Set For Wall Clocks, Alarm Clocks And Wind Chain Repair (4.5Mm & 0.177 Inch Hole)

QTCIAL
2.00 X 2.20 X 0.30 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Guohong 5.15

Features

[PACKAGE CONTAINS] - You'll receive 2 packs of high-quality keys, each featuring a 4.5mm or 0.177 inch square hole, perfect for winding most antique wall clocks, desk clocks, alarm clocks, and more.

[TOUGH AND DURABLE] - Crafted from durable steel, our clock winding keys are built to last and withstand the test of time.

[VERSATILE COMPATIBILITY] - Our clock winding key is designed to fit most antique mechanical desk clocks, wooden clocks, wall clocks, and alarm clocks, making it an incredibly versatile tool for clock repair.

[CLOCK KEY SIZE] – Overall Length 2Inch or 50mm, Shaft Length 0.7Inch or 18mm. Shaft Diameter 0.31Inch or 8mm. Square hole size 4.5 mm or 0.177 Inch. Please check your clock key size by gauging the square shaft on the winding arbor at the back of your clock, measuring from flat side to flat side.

[ESSENTIAL CLOCK KEY] - As a professional clock repairer or clock enthusiast, you know how important it is to have the right tools on hand. Our clock winding key set is a must-have for restoring and maintaining antique clocks, and is a convenient solution for lost or broken keys. Upgrade your clock repair kit today with our high-quality set, and ensure your antique clocks keep ticking for years to come.

Top 10 clock keys Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Brass Blessing 17
Aba 3
Findingking 1
Grandfather Clocks 1
Jiotar 1
Kevnatss 1
Mewutal 1
Natikon 1
Qtcial 1
Regarmans 1

Top 10 clock keys Brands Pie Chart


We've carried out a comprehensive analysis of 5,269 reviews on clock keys, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select clock keys priced around $11.84, with top brands including brass blessing, kevnatss, findingking, hawk importers, inc, regarmans, jiotar, aba, natikon and cuyou and metal magery

Our team of expert editors reviewed these high-quality items and handpicked the top 29 clock keys for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include brass.blessing4086, findingking, toolusa, regarmans tm, home parts, ☛ chief 🗽store, natikon, kuyou and wylsamart and aleksandra & co. .

We are dedicated to assisting our users in finding the right keys Products based on their needs, saving them considerable time when choosing which clock keys to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.