New design: 11 holes on the sandpaper can collect dust more efficiently, help keep the work surface clean, and the hook-and-loop sandpaper holder can help you change the paper easily and quickly< /p> Strong and durable: use the right material, the sandpaper used in the triangular sander is equipped with a thick paper base, made of high quality alumina and wear-resistant sand. Heavy-duty resin bonding system extends service life Wide range of applications: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastic, stone, glass and other materials, suitable for various power tools, air tools, grinders, easy to operate Suitable for various models: triangular mouse design suitable for Bosch, PSM 100A, PSM 200 AES, Psm 18, all Makita DTM51Z, Dewalt Dwe315KT, Dewalt DCS355M1-GB, Tacklife PMT01B oscillating multi-tools etc. Meet all your needs: All grit grades, coarse to fine, including 5 sheets of each grit: 40# 60# 80# 120# 180#, 152*105mm, totaling 25 sheets