Work Sharp Knife & Tool Sharpeners

Work Sharp produces belt-driven sharpening machines used by woodworkers, knife enthusiasts, and tradespeople who need a reliable, repeatable way to restore a sharp edge. Unlike fixed-angle or guided-stone systems, the Work Sharp Ken Onion Edition uses flexible abrasive belts at adjustable angles, making it effective on everything from kitchen knives to carving tools and bench chisels.

The Work Sharp Ken Onion Special Edition is the flagship model in this collection, featuring variable speed and an angular adjustment system designed in collaboration with renowned knifemaker Ken Onion. The result is a machine capable of producing a highly refined edge on curved and straight blades alike.

Replacement Belts & Accessories

Maintaining your sharpener is as important as maintaining your tools. Work Sharp offers replacement belt sets in multiple grits for the Ken Onion Edition, and the 5-Piece Blade Grinder Attachment Belt Kit adds the ability to profile, grind, and thin blades with the same machine. Keeping fresh belts on hand ensures consistent cutting performance through every sharpening session.

For woodworkers who rely on sharp hand tools, a functional sharpening station is a shop essential. Visit the Infinity Tools Learn blog for guidance on sharpening angles, belt progression, and maintaining a consistent edge on chisels and plane blades.

Frequently Asked Questions

What Work Sharp products does Infinity Tools carry?

Infinity Tools stocks the Work Sharp Ken Onion Special Edition sharpener, replacement belts, and a 5-piece blade grinder attachment belt kit.

What makes the Work Sharp Ken Onion Edition different from other sharpeners?

The Ken Onion Edition uses flexible abrasive belts at a user-adjustable angle with variable speed control, allowing it to sharpen curved blades, straight edges, and serrated tools that fixed-angle systems cannot handle well.

Can the Work Sharp sharpener be used on wood chisels and plane blades?

Yes. With the appropriate belt grit and angle setting, the Work Sharp Ken Onion Edition is effective on bench chisels and hand plane blades, making it a practical choice for woodworkers maintaining a full set of hand tools.

How often should I replace the abrasive belts on my Work Sharp sharpener?

Belt life depends on use frequency and the hardness of the steel being sharpened. Belts that produce heat quickly, leave behind inconsistent scratch patterns, or no longer cut aggressively should be replaced. Work Sharp replacement belts are available in multiple grits.

What grit progression should I use for sharpening a dull kitchen knife?

A typical progression starts with a coarser grit to establish the bevel and remove damage, moves through a medium grit to refine the edge, and finishes with a fine grit or stropping belt to polish the edge to a working sharpness. Specific grit recommendations are available on the Learn blog.

What does the 5-piece blade grinder attachment kit add to the Work Sharp?

The 5-Piece Blade Grinder Attachment Belt Kit enables blade profiling, thinning, and grinding operations on the Ken Onion Edition, expanding it beyond standard edge sharpening into light tool repair and reprofiling.

Is the Work Sharp sharpener backed by a warranty?

Work Sharp equipment is known for its durability and backs its machines with a manufacturer's warranty. For questions about warranty coverage, contact Infinity Tools via the contact page.

What is the shipping policy for Work Sharp sharpeners?

Work Sharp products ship according to the Infinity Tools standard shipping schedule. Review current delivery options on the shipping policies page.

Does Infinity Tools price-match Work Sharp products?

Yes. Infinity Tools offers price matching on eligible products. Submit a competing price on the price-matching page to request a match.

What sharpening angle should I use for a bench chisel?

Most bench chisels are sharpened to a primary bevel of 25 degrees, with an optional micro-bevel of 30 degrees for added durability. The Work Sharp Ken Onion Edition's adjustable angle guide makes it straightforward to dial in and hold these angles consistently.

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