[Installation]: Easy to install, direct replace the worn out pads, with excellent grip. EVERTOOL 5Inch 9-Hole 3-Bolt Hook and Loop Backup Sanding Plate Backing Bosch Sander Replacement Pad 5" 125mm 8 Hole Orbit Sander Hook And Loop Sanding Backing Disc Pad For Makita Makita Orbital Sander Backing pad made for BOSCH PEX 220 A orbital sander · 8 Mounting holes to screw it to the Bosch sander · 8-hole on 65mm hole diameter for dust extraction · Hook... [Application]: Compatible with Bosch GEX125-1A PEX220, Bosch PEX220A, Skil 7402 & Skil 7490., MPN is 2609000750, the part number is OSSCSPB220MH, 2608000352., [Features]: The sander pad has 8 holes, 8 screw holes and a center hole, the extra intake holes to extract the maximum amount of dust and helps clear from the work surface, increasing disc life. About this item [Dimension]: 125mm in diameter of 8 holes sanding pad, with 25mm diameter center hole spacing. [Application]: Compatible with Bosch GEX125-1A PEX220, Bosch PEX220A, Skil 7402 & Skil 7490. MPN is 2609000750, the part number is OSSCSPB220MH, 2608000352 [Dimension]: 5 Inch/ 125 mm in diameter of 8 hole sander pad, with 1inch/ 25mm in diameter center hole distance.