0.CY1180AO Abrasive Nylon Copper Center Wheel, 1" Dia.035 in, Abrasive Material Abrasive Nylon, Face Width 7/32 in, Max.125" Trim RPM 20,000, For Use With Light Deburring, Edge Blending, General Surface Finishing 1 in, Mounting Type Arbor Hole, Arbor Hole Size 3/8 in, Abrasive Shank Size No Shank, Wire Dia.