Universal replacement pad: The 5-inch hook-and-loop replacement pad features 4 screw holes and 8 dust holes. It fits most sander backing pads. The center-to-center distance between the screw holes is approximately 1-1/8 inches. Please confirm compatibility with your sander before purchase. Fits sanders with 4 screws: If your sander is not listed, verify compatibility using the following specifications—5-inch diameter, 8 dust holes, 4 screw holes, and a 1-1/8-inch center-to-center screw hole distance. Quality material: These disc sander pads are made from durable rubber with smooth surfaces, offering resistance to breakage and supporting long-term, repeated use on flat surfaces. Easy assembly: The built-in mounting thread enables quick and simple installation, saving time and effort during replacement. Extended tool life: This package includes 2 pieces of 5-inch hook-and-loop sander pads with 8 dust holes, providing sufficient quantity for personal use and replacements to help extend the life of your sander.