Scotch-Brite Clean and Strip XT Pro Extra Cut Disc, XC-DC, A/O Extra Coarse, GRNGeneral Information Brand Scotch Brite Attachment Type Shaft Abrasive Attachment Type Non Pertinent Disc Type Non Pertinent Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Maximum Speed 12000 rpm Overall Diameter (Imperial) 4 in Overall Diameter (Metric) 101. 6 mm Overall Width (Imperial) 0. 5 in Overall Width (Metric) 12. 7 mm Backing Weight Non Pertinent Center Hole Thread Size