Replacement wheel used for splitting the point on HSS and cobalt drill bits when used with V390 Tool-Drill Sharpener, Item# 3316390. Sharpens approx. 2000 bits before needing replacement. Long-lasting, 180-grit wheel does not require dressing. U.S.A. Usage DIY to professional level, Grit 180, Wheel Diameter in. 3, Product Type Accessory, Accessory Type Splitting wheel.
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