PU Material: This sanding pad is made of high quality PU material, durable. Sander pad of this type of material can guarantee excellent smoothness and polishing effect of sanding disc, so as to achieve the effect of not hurting the user. Easy to Use: This sanding disc has 8 holes integrated and hook and loop design, this 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 a dust collection system. This dust collection function of this sander pad is ultra practical, 8 dust collection holes that effectively suck dust and debris into the dust bag assembly. Size of this sander pad: The diameter of our sanding pad is 125mm, Before making your purchase, please make sure that our sander pad is suitable for your sander. Do you always replace the entire sander directly after the sander has been used for a period of time and the suction and debris removal are no longer effective? Now we want to recommend this sander pad which is made of PU material, 5 inches in diameter. This sander pad can help you save sander and money, bringing more convenience to your life. use Dust Collection This sander pad is easy to install and can be used with the corresponding sander model Be used with sanders with a dust collection system, the 8 dust collection holes can suck dust and debris into the entire dust bag, it prevents dust from entering the eyes and affecting work