Universal Replacement Pad: 4.7 inch hook-and-loop replacement pad with 4 screw holes and 8 dust holes, fits most sander rear pads, center about 1-1/ 4" from pad screw holes Fits 4-auger sanders: If your sander is not one of the makes or models above, please use this information to verify if it will fit. your sander, diameter 4.7", 8 dust holes and 4 screw holes, including the distance between the screws. Center-to-center (1-1/4") hole. High Quality Material: These disc sander pads are made of rubber with a smooth, shatterproof surface that can be used many times over time and are excellent for sanding flat surfaces. Easy to Assemble: Integrated mounting threads allow you to quickly and easily install replacement sanding pads, saving you time and effort. efforts to replace them. Extends the life of your sander: In the package, you will receive 2 x 8 hole sander, enough for your personal use and replacement, effectively extending the life of your sander.