Ultra Sharp Diamond Sharpening Stones are the best value we've ever seen! We're so confident in the Ultra Sharp stones that we back them with our No Questions Asked 100% Lifetime Guarantee. Made from high quality monocrystalline diamonds, these stones will quickly sharpen anything with a cutting edge including ceramic, stainless steel and high carbon blades.
Sharpen 10 times Faster
Precision Flatness Guaranteed
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