Built by a Sharpener, for Sharpeners
3D-printed sharpening upgrades, accessories, and tools built for real-world work.
Sharpen Faster
Get Cleaner Edges
Work With Confidence
★★★★★ 250+ five-star reviews from sharpeners across the U.S & Internationally.
✔ Built by a full-time working sharpener.
✔ Designed, tested & shipped in-house.
✔ Real-world shop gear, not mass-market parts.
Sharpen smoother, straighter, and safer with the new MK.2 Riser.
Choose the MK.2 riser style that fits how you sharpen.
Work Sharp Upgrades
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Precision Adjust
Simple drop-ins for a cleaner, smoother PA sharpening experience.
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Get New Product Notifications
Be the first to know about new drops and exclusive offers.
Accessories & Essentials
Small upgrades that make a big difference.
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Riser Replacement Magnets
Regular price From $4.99 USDRegular priceSale price From $4.99 USD -
Work Sharp Ken Onion MK.1 Roller Replacements
Regular price From $1.99 USDRegular price$2.99 USDSale price From $1.99 USDSale -
Work Sharp Ken Onion MK.2 Roller Replacements
Regular price From $1.99 USDRegular price$2.99 USDSale price From $1.99 USDSale
📦 Each order made & shipped in-house.
Please allow 2-3 business days to ship.



