Best Diamond Sharpeners in 2026

SEVEN (7) ABRASIVE GRITS: 220, 320, 400, 600, and 800 diamond, fine ceramic, leather strop, and small ceramic rod for serrations.

Precision Adjust Sharpening Base not included in Upgrade Kit

CREATE CUSTOM EDGES - choose between many grit options to reprofile an old blade or create a beautiful polished edge on your favorite blade.

ADJUSTABLE SHARPENING GUIDE- produce precise edge bevels from 15 to 30 degrees. motor- 120 Vac 1.5 amp. Duty cycle-1 hr. Continuous

VARIABLE SPEED MOTOR- handle every sharpening task, from grinding to honing. More power with improved cooling and the option of slow speed honing or high-speed grinding.

PREMIUM FLEXIBLE ABRASIVE BELTS- deliver a strong, long lasting razor-sharp convex edge.

NEW & IMPROVED - Work Sharp Knife & Tool Sharpener Mk.2 sharpens every knife you own. It builds upon the Original Work Sharp Knife & Tool Sharpener, with new features to make sharpening faster, easier, and more repeatable than ever before.

FLEXIBLE BELTS - put a razor sharp edge on their blades, now you can have the same technology in your home or shop like the professionals. The belts conform to the edge of any blade to sharpen outdoor, pocket and kitchen knives, even serrated knives, scissors*, and many other common edge tools.

SHARPENING GUIDE - increases precision and repeatability to get the proper edge angle every time and provides a new scratch resistant leather lining. Quickly change from 25° outdoor knives to 20° Kitchen knives in one guide.

SEVEN (7) ABRASIVE GRITS: 220, 320, 400, 600, and 800 diamond, fine ceramic, leather strop, and small ceramic rod for serrations.

ADJUSTABLE, REPEATABLE - Sharpening Angle can be easily adjusted from 15-30 degrees.

FAST and EASY - Quickly index between grits on each Tri-Brasive sharpening stones and easily swap one rod with another without disrupting your work.

The Work Sharp Precision Adjust Knife Sharpener is an angle guided, 3-sided abrasive jig-and-clamp style sharpener that makes manual sharpening faster, easier and more precise than ever.

ADJUSTABLE, REPEATABLE - Sharpening angle can be easily adjusted from 15°- 30°, in 1° increments.

TRI-BRASIVE ROD - Quickly index between coarse and fine diamond and fine ceramic stone.

Diamond/ceramic sharpening - quickly sharpens and hones any steel blades so you always have a sharp knife

Angle guides - consistent angle every time, makes sharpening fast and easy

Knife maintenance tools - Bit driver and Torx bits: T6, T8, and T10 bits allow for easy knife hardware tuning

3 Year Warranty on all products

Work Sharp Knife & Tool Sharpener Mk.2 sharpens every knife you own. It builds upon the Original Work Sharp Knife & Tool Sharpener, with new features to make sharpening faster, easier, and more repeatable than ever before

Sharpening angle guidesincreases precision and repeatability to get the proper edge angle every time and provides a scratch resistant leather lining. Quickly change from 25° outdoor knives to 20° Kitchen knives in one guide

Convex-carbide - quickly creates a durable convex cutting edge on any knife/ steel

Controlled sharpening - pivot response follows the curve of the knife for a consistent angle and edge across the entire blade. Sharpening Angles 25°

Ceramic hone - hones/ re-sharpens any blade steel quickly and easily with just a few passes

Push of a button - fully guided sharpener that automates the sharpening of your knives for an even angle and perfectly sharpened knife every time.

Sharpen dull knives with premium abrasives and maintain sharp edges daily with the built-in ceramic hone wheel

Professional level sharpness - designed to sharpen The highest-quality knife steels.

FACTORY-SHARP EDGES: The only kitchen knife sharpener using flexible sharpening belts – the same method used by manufacturers to sharpen their knives.

FAST PRE-PROGRAMMED SHARPENING: The Professional Electric Sharpener sharpens your knives at the touch of a button in less than 90 seconds. Three settings allow you to shape, sharpen, or hone your knives depending on how dull they’ve become. The sharpener automatically turns off at the end of the cycle.

SHARPEN ANY KNIFE, ANY BRAND: Designed to accommodate all the popular knife styles and brands from high-end exotic steels to the most basic cutlery. Also sharpens kitchen scissors, and poultry shears.

Fast and Easy to use and effective for sharpening all kitchen knives.

Diamond and Ceramic sharpening wheels quickly and easily sharpen and refine your kitchen knives.

Compact desgin fits in kitchen drawers, or with your BBQ Kit.

The Ken Onion Edition Knife and Tool Sharpener expands on our best-selling Knife and Tool Sharpener with more power, more flexibility, and more control as specified by legendary knife maker Ken Onion

This sharpener is designed for edge enthusiasts who want precision, incredibly keen edges and consistent results

The Guided Field Sharpener is a complete sharpening solution for field, home or shop use

A BUNDLE YOU'LL LOVE - Combining our Precision Adjust Sharpener with our Micro Sharpener allows you to perform precise sharpening and also a sharpener on the go!

ADJUSTABLE, REPEATABLE - Sharpening Angle can be easily adjusted from 15-30 degrees. Includes 7 abrasive grits: 220, 320, 400, 600, and 800 diamond, fine ceramic, leather strop, and small ceramic rod for serrations.

FAST and EASY - Quickly index between grits on each Tri-Brasive sharpening stones and easily swap one rod with another without disrupting your work.