3M Disc Pad Holder 9145, 4-1/2 in x 1/8 in x 3/8 in M14-2.0 InternalGeneral 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 United States Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Center Hole Diameter (Imperial) 0. 375 in Center Hole Diameter (Metric) 9. 525 mm Overall Diameter (Imperial) 4. 5 in Overall Diameter (Metric) 114. 3 mm