High-quality materials: Our 125mm sanding discs are made of high-quality aluminum oxide and composite coating material, which is not easy to de-sand, is anti-static and can effectively prevent dust clogging. Designed for high-speed grinding, they can achieve a fast grinding effect. Total 100 Pieces: You will receive 100 pieces non-porous sanding discs with a grit size of 40, enough for your general polishing and replacement needs. Hook Button Design: The 125mm sanding discs feature high-quality brushed velvet hook and loop backing, the adsorption force is strong and not easy to fall off even at high speed, and which is easy to install and disassemble. Universal Compatibility: The round sandpapers with a diameter of 125mm / 5in are suitable for most orbital sanders of this size. Such as PEX 220 A, PEX 300 AE, DWE 6423, etc. Wide range of applications：125mm 40 grit sandpaper are mainly used for sanding and polishing wood, rubber, leather and plastic materials, as well as for removing