Compatible with: the replacement sander pad is compatible with part number 151281-08 DW4388 743081-8 743051-7, compatible with Makita BO5010, BO5030K, BO5031K, BO5041K Universal replacement pad: the 5 inch hook and loop replacement pad is characterized by 3 screw holes and 8 dust holes, fits most sander backing pad, the distance between center to center of the pads screw holes is 1 to 7 or 16 inch or 36.4 mm, please confirm the size before purchase Easy assembly: the built-in mounting thread allows you to install the sander replacement pad easily and quickly, save your effort and time Reliable material: these disc sander pads are made from rubber with smooth surfaces, not easy to break, can be applied for a long time and many times, work well on sanding flat surfaces Extend life of sander: the package contains 2 pieces 8 holes sander hook and loop pads, enough quantity to use and replace, effectively prolong the life of sander