Scotch-Brite Hookit Production Clean and Finish Disc, 11-1/4 in x NH, A VFNGeneral Information Brand Scotch Brite Attachment Type Hook & Loop Abrasive Attachment Type Non Pertinent Country Of Origin Canada Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Maximum Speed 2800 rpm Overall Diameter (Imperial) 11. 25 in Overall Diameter (Metric) 285. 75 mm Backing Weight Non Pertinent Center Hole Thread Size Non Pertinent Grit Non Pertinent Micron Grade Non Pertinent Width 12. 9 in 32. 77 cm