3M PSA Cloth Disc 348D, 80 X-weight, 30 in x NH, Die 3000AGeneral Information Brand 3M Attachment Type PSA Bond Type Resin Coat Type Closed Coat Core Type Non Pertinent Sanding Type Wet Dry Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Backing Weight X Weight Grit 80 Overall Diameter (Imperial) 30 in Overall Diameter (Metric) 762 mm Micron Grade Non Pertinent Width 32. 6 in 82. 8 cm Height 1. 69 in 4. 3 cm Length 32. 6 in 82. 8 cm