3M Hookit Disc Pad 28472, 3 in x 1/2 in 1/4-20 ExternalGeneral 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 California Residents Proposition 65 Warning Dimensions and Specifications Maximum Speed 15000 mps Net Weight (Imperial) 0. 48 lb Net Weight (Metric) 217. 72 g Overall Diameter (Imperial) 3 in Overall Diameter (Metric) 76. 2 mm Overall Length