Compatible Models: This 125mm makita backing pad is suitable for Makita BO5010 / K,BO5030 / K,BO5031 / K,BO5041 / K,XOB01Z; DeWalt DW420 / 420K,DW421 / 421K,DW423 / 423K,DW426 / 426K,D26453 / 26453K,D26451; Porter cable 390 / 390K,382、343 / 343k,343VSK. PU material: This sanding pad is made of high quality PU material, durable. Sander pad of this kind of material can ensure excellent smoothness and polishing effect of sanding disc, so as to achieve the effect of not hurting the user. Easy to use: This 8-hole sanding disc has 3 built-in mounting screw holes and buckle and hook design. hooks, it can make installation faster and easier and for quick sandpaper changes. Special Design: This sanding disc is designed with 8 holes, can work with sanders that have dust collection system. This dust collection function of this sanding pad is ultra convenient, 8 dust collection holes effectively suck dust and debris into the dust bag assembly. dust. of this sander pad: The diameter of our sanding