Multi-Grit Sanding Discs ----- 100pcs per box, 5 different sandpaper assortments from coarse to fine sandpaper, 20 sanding discs 40/60/80/120/180 with velcro closure to give you more choices if you need. 125mm diameter, 8 holes, mixed grit, ideal for all 125mm grinders="" width="600" height="588" /> High Quality ----- The premium aluminum oxide sanding disc pads are designed for high quality aluminum alloy sanding disc pads. Made of aluminum oxide abrasives with special heat treatment, which have excellent polishing, sharpening and wear resistance. Durable and anti-static, good choice for grinding and polishing. 8 holes are designed for effective dust collection. Easy to use ----- Velcro fastener, simple and quick to use Paste, strong and durable, will not fall off during installation, easy to install. install and install remove. Widely used ----- Mainly used in grinding, polishing, etc. wood, plastic, stone, glass and other materials, metal and non-metallic materials with various