3M Hookit Clean Sanding Disc Pad Hook Saver 20445, 6 in x 3/4 in 25HolesGeneral Information Brand Hookit Abrasive Attachment Type Hook & Loop Function Attachment Style Hook & Loop, Coated Abrasives Hook Type 2 Product Type Back up Pad Type Dust Control Country Of Origin Taiwan Sold As Case Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Center Hole Diameter (Imperial) 0. 75 in Center Hole Diameter (Metric) 19. 05 mm Overall Diameter (Imperial) 6 in Overall Diameter (Metric) 152.