Standard Abrasives Surface Conditioning FE Disc 845511, 4-1/2 in CRS, 10/PacGeneral Information Brand Standard Abrasives Attachment Type Hook & Loop Abrasive Attachment Type Non Pertinent Country Of Origin United States Sold As Pack California Residents Proposition 65 Warning Dimensions and Specifications Maximum Speed 8000 rpm Overall Diameter (Imperial) 4. 5 in Overall Diameter (Metric) 114. 3 mm Center Hole Thread Size Non Pertinent Grit Non Pertinent Width 4. 62 in 11. 75 cm Height 0. 1 in 0. 25 cm Length 4. 62 in 11. 75