3M 236U Hook and Loop Sanding Disc, 5 in Dia, Non Vacuum, Aluminum Oxide, P120 Grit, C Wt Paper 11823 Screw the canister onto a Screw the canister onto a filter head and replace it when the filter is full to maintain correct flow and continue to remove particles Type1 Anti Restart Technology No Head Type Flathead Lock On Switch Yes Series DWE Grip Style Rat Tail Electrical Protection Overload Protection Duty Heavy Duty Safety Features Lock Off Switch 236U Hook and Loop Sanding Disc Series 236U Product Type Hook and Loop Sanding Disc Diameter 5 in Grit P120 Abrasive Aluminum Oxide Backing C Wt Paper Package Quantity 250 Country of Origin Canada