Universal replacement pad: 5 inch hook and loop replacement pad features 4 screw holes and 8 dust holes, fits most sander backing pads, the distance from the center to the center of the pad screw holes is about 1 to 1/4 inch, please confirm the size before purchase Suitable for 4 screw sander: Compatible with Milwaukee 51-36-7090, 51-36-7100, 6021-21, 6034-21 and Ridgid R2600 and R2601 random orbital sanders; If your sander is not the above make or model, please check if it is suitable for your sander based on this information, 5 inch diameter, 8 dust holes and 4 screw holes, especially the distance between the screw holes center to center (1- 1/4 inch) Quality material: these disc sander pads are made from rubber with smooth surfaces, not easy to break, which can be applied for a long time and several times, work well on flat sanding surfaces? age Easy assembly: the built-in mounting thread allows you to install the sander replacement pad easily and quickly, saving your time and effort to replace it Prolong the sander's life: you will receive 2 pieces of 8-hole sander hook and loop pads in the package, a sufficient quantity for your personal use and replacement, effectively extending the sander life Fits most sander backing pads: The sanding pad replacement? age is suitable for pads with the distance between the center and the center of the pad screw holes is 1 to 1/4 inches. Dust removal: The disc sander pad for use with sanders, equipped with 8 holes, which can suck the dust and debris into the dust bag. Specification: Material: rubber Size: 5 inch diameter Color: as the picture shown Package includes: 2 x 5 inch 8 hole replacement sander pad Warm notes: If your sander is not mentioned, please check the size of your sander before purchase, make sure your sander has 8 dust holes and 4 screw holes, each hole has a diameter of 5 inches and the distance between the center and the center of the pad the screw holes are 1 to 1/4 inch. This is a compatible replacement part and the manufacturers' names and part numbers have been mentioned above for reference purposes only, the items mentioned above are not brands, our brand is.Products from GuanGuan's store Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.