Best Whole Earth Supply Knife Blades in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Whole Earth Supply Knife Blades

IRWIN 2088100 Safety Knife Blades, 5 Pack
#TOP1
Irwin 2088100 Safety Knife Blades, 5 Pack
9.8
PM SCORE
IRWIN Utility Knife Blades, Bi-Metal, 100-Pack (2084400)
#TOP2
Irwin Utility Knife Blades, Bi-Metal, 100-Pack (2084400)
9.8
PM SCORE
IRWIN Hi-Vis Retractable Utility Knife, 2082300, Orange
#TOP3
Irwin Hi-Vis Retractable Utility Knife, 2082300, Orange
9.8
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 Whole Earth Supply Knife Blades of 2026

Irwin 2088100 Safety Knife Blades, 5 Pack

IRWIN
2088100
5.80 X 10.20 X 0.20 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

This product is easy to use

This product is highly durable

Manufactured in China

Package weight:12.8 lb

Irwin Utility Knife Blades, Bi-Metal, 100-Pack (2084400)

IRWIN
2084400
8.38 X 4.38 X 1.50 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

These utility knife blades have a welded, bi-metal design for a sharp edge and flexible body

Stays sharper than traditional utility blades

A shatter-resistant design adds safety

Fits IRWIN utility knife handles and most other utility knives

Pack of 100 blades

Irwin Hi-Vis Retractable Utility Knife, 2082300, Orange

IRWIN
2082300
8.40 X 9.40 X 1.00 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Utility knife has a high-visibility orange color that makes for easy spotting on the job site

Utility blade has an optimized cutting angle for reduced hand fatigue

Smooth, 3-position slide exposes variable utility blade lengths

Box cutter offers inside storage for up to 5 blades

Includes 3 IRWIN 4-Point Snap bi-metal utility blades shipped inside the handle

Irwin Utility Knife, Fixed Blade (2081101) , Gray

IRWIN
2081101
8.00 X 3.50 X 0.80 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Utility knife features an optimized cutting angle for reduced hand fatigue

Magnetic nose for easy fixed blade changes

Captured screw prevents loss during blade change

Features inside storage for up to 5 utility blades

Utility knife includes 1 IRWIN 4-Point Snap BLUE BLADE utility blade, featuring shatter-proof, bi-metal construction

Utility knife features an optimized cutting angle for reduced hand fatigue

Magnetic nose for easy fixed blade changes

Captured screw prevents loss during blade change

Features inside storage for up to 5 utility blades

Utility knife includes 1 IRWIN 4-Point Snap BLUE BLADE utility blade, featuring shatter-proof, bi-metal construction

Irwin Utility Knife, Folding With Blade Storage (1858319) , Blue

IRWIN
T1858319
8.88 X 1.15 X 4.63 Inches
0.28 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BEYOND YOUR HOME 9.95

Features

BladeLock Technology helps keep the utility knife blade locked in place

Changes blades only when release button is engaged and the blade holder is in the 45° open position

Folding utility knife features a liner lock for quick 1-handed operation

Wire stripper for built-in convenience

Utility knife can store up to 2 additional blades

Irwin Utility Knife, Retractable (2082200) , Blue

IRWIN
2082200
7.30 X 2.90 X 1.00 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dave Electronics 9.89

Features

Quick change mechanism allows for easy blade removal without opening the knife

Smooth, three-position slide provides increased durability for frequent use

Easy tool-free entry with push button operation opens the knife and exposes replacement blades

Features inside storage for up to 5 blades

Includes 6 Irwin Blue Blade Bi-Metal Utility Blades

Irwin 10505824 Bi-Metal Safety Knife Blades (Pack Of 50)

IRWIN
10505824
4.72 X 1.77 X 8.66 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Global Store UK 0.00

Features

Irwin 10505824 Bi-Metal Safety Knife Blades (Pack of 50)

Bi-Metal Safety Knife Blade

Pack of 50

IRWIN 133 years of ingenuity and excellence

Irwin 2089100 Folding Lockback Utility Knife

IRWIN TOOLS
2089100
9.00 X 4.00 X 1.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Basic Supplier Online 9.20

Features

Folding utility knife

Features quick change button that is 25% faster

Also features wire stripper notch, a wide thumb ledge, integral belt clip & rugged industrial design

Includes: 1 irwin blue blade

Blue blade are bi-metal, utility blades

Irwin Utility Knife, Carbon Steel Blade, Retractable, Foldable And Portable, Storage For Up To 5 Blades (Iwht10436)

IRWIN
IWHT10436
8.70 X 10.20 X 0.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
I-Servirisma 5.05

Features

STANDS UP TO REPEATED USE: Solid, aluminum knife body durable enough for regular use

HELPS REDUCE ACCIDENTAL BLADE RELEASE: Features patented 2-step blade release

STORE EXTRA BLADES: Internal, 5-blade storage capacity with easy-open latch

COMFORTABLE USE: Grip designed with the user in mind

INCLUDES (1) IRWIN Bi-Metal Shatterproof Blade

Irwin 2082100 Utility Knife Standard Retractable

IRWIN
2082101
8.63 X 3.50 X 1.13 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Home Essentials ✅ 9.69

Features

Versatile retractable utility knife

Stores up to 5 blades in knife interior

Includes three bi-metal blades

Three-position slide exposes various blade lengths

Full lifetime warranty

Irwin 2086300 3 Pack Snap Blades 9Mm

IRWIN
2086300
6.00 X 2.00 X 1.00 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ThrilloftheHunt 9.87

Features

Easy 1-touch snap blade dispensing

Utility knife blades feature carbon construction

Utility knife blades fit most IRWIN Snap Retractable Utility Knives

Convenient durable carrying case

Includes 3 blades

Solid Cast Aluminum Body

Stainless Steel Slide Guides

Auto Blade Lock

Auto Blade Re-Load

Irwin Utility Knife, Push And Flip Pro Foldable (Iwht10578)

IRWIN
IWHT10578​
8.00 X 3.50 X 0.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Full size knife designed for heavy users and frequent blade changes

ProFlip mechanism makes one-handed open and close quick and easy

Protected blade change prevents accidental blade release

Convenient storage for 5 extra blades

Top 10 knife blades Brands on Amazon

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

Brand Count
Irwin 11
Irwin Tools 1

Top 10 knife blades Brands Pie Chart


We've carried out a comprehensive analysis of 4,734 reviews on knife blades, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select knife blades priced around $15.85, with top brands including craftsman, goldblatt, garvey, havalon knives, diyself, nt cutter, dewalt, irwin and rapala and zoid

Our team of expert editors reviewed these high-quality items and handpicked the top 12 knife blades for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include amazon.com, greatstar tools, k&s market, diyself, plexsupply., grizzly star, american online products, hz tools store and nordicedge and million seller .

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