Standard Abrasives Metal Finishing Wheel 857382, 8 in x 1 in x 3 in 4A MEDGeneral Information Brand Standard Abrasives Attachment Type Center Hole Country Of Origin United States Sold As Case Lead Time 16 days California Residents Proposition 65 Warning Dimensions and Specifications Center Hole Diameter (Imperial) 3 in Center Hole Diameter (Metric) 76. 2 mm Face Width (Imperial) 1 in Face Width (Metric) 25. 4 mm Maximum Speed 4500 rpm Overall Diameter (Imperial) 8 in Overall Diameter (Metric) 203. 2 mm Grit Non Pertinent