<ul><li>High Performance: Lightens a blade's scratch pattern to an even keener degree.</li><li>Professional-Grade: It is designed for finishing and polishing of sharpened edges for maximum sharpness.</li><li>Multifunctional: It sharpens all types of edges including serrated edges.</li><li>Easy to Clean: Designed to be used dry, it is easily cleaned with a household cleanser, a scouring pad and water before letting the product to air-dry.</li><li>Specifications: Overall Length (Inches): 7, Grit: Medium</li></ul><br><br>The Ultrafine stones tighten the blade's scratch pattern to an even keener degree for hair-popping professional sharpness and polishing. Fits the 204 Tri-Angle Sharpmaker system. Stones sold individually. Tri-Angle stones are 7" x.5"; (178mm x 13mm)

Spyderco - Tri-Angle White Sharpening Stone with Ultra-Fine-Grit for Professional-Grade Finishing and Polishing - 204UF1