Check the listing for details. VECTOR XD 220-100 BV 1/16 HONING WHEEL. Condition: New – Open box. Listed at 29.99 USD. All information on piece is pictured as stamped on wheel. We are not experts in any field and do not claim to be. I am not sure of the application of this piece and am trusting to the knowledgeable machinists out there to know what they are buying.