877738 Drywall Sander Pad Clamp Replace 7800 7801 fits for New Porter Cable Measures approximately 3.45 X 5.60 X 0.09 inches This part is compatible with the following:7800 Type 1, 7800 Type 2, 7800 Type 3, 7800 Type 4, 7800 Type 5, 7801 Type 1 Easy replacement and maintenance, excellent performance - please trust us for parts replacement of lawn mowers, brush cutters, and chainsaws Please carefully inspect the appearance of the parts and compare them with our part details to ensure complete consistency Quality Assurance: Well-designed, well-crafted. Upgrade your outdoor tools with our replacement parts