5x Pad loop and hook backing platen OEM Pad for Ryobi Ridgid/ Homelite CFS1503K CFS1503 CFS1502 CFS1503G Compatible with Ryobi Ridgid/ Homelite OEM 039065005001Size 5.5"x3.75" with 5 screw hole. The platen is the part of the sander that you attach the hook and loop sandpaper to.To prolong the life of the platen try not to put to much pressure on the sander when sanding.Excessive pressure creates heat build up in the sanding pad which will quickly damage or even melt the tiny plastic hooks on the pad. MTP Brand 5X Mouse Pad Replace For Ryobi Corner Cat Sander 039065005001 Backing Platen Ryobi Ridgid/ Homelite CFS1503K CFS1503 CFS1502 CFS1503G