3M Hookit Disc Pad Firm 77751, 8 in x 5/16 in x 7/8 in x 5/8 in-11 INTGeneral Information Brand Hookit Abrasive Attachment Type Hook & Loop Function Attachment Style Hook & Loop, Coated Abrasives Hook Type 1 Product Type Back up Pad Type Regular Country Of Origin United States Sold As Case Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Center Hole Diameter (Imperial) 0. 87 in Center Hole Diameter (Metric) 22. 098 mm Overall Diameter (Imperial) 8 in Overall Diameter (Metric)