Smart Design: 5 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 Solid & 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 life Triangular Mouse Design: Helps reach tight corners for efficient material removal, suitable for Dewalt, Bosch, Black + Decker, Makita< /li> 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 Packaging: 100 pieces per box, 40/60/80/100/120, various grit multi-sander sheet classification can meet all polishing requirements, single piece size 5.33" x 3.35" (140mm x 90mm) Description of the product Suitable for