3M Hook and Loop Disc Pad Holder 917CPGeneral Information Brand 3M Abrasive Attachment Type Hook & Loop Function Attachment Style Hook & Loop, Non Woven Abrasives Hook Type 7 Product Type Back up Pad Type Regular Country Of Origin Switzerland Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Overall Diameter (Imperial) 7 in Overall Diameter (Metric) 177. 8 mm Overall Thickness (Imperial) 0. 875 in Overall Thickness (Metric) 22. 225 mm Thread Size 5 8"