3M Hookit Roloc Disc Pad Type J 82565, 1-1/2 inGeneral Information Brand Hookit Abrasive Attachment Type Hook & Loop Function Attachment Style Hook & Loop, Coated Abrasives Hook Type 2 Product Type Back up Pad Type Regular Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Overall Diameter (Imperial) 1. 5 in Overall Diameter (Metric) 38. 1 mm Overall Thickness (Imperial) 0. 31 in Overall Thickness (Metric) 7. 87 mm Thread Size