6 Different GritEach type contains 12 sheets of durable sandpapers, 72 sheets in total, 40, 60, 80, 120, 180 and 240 respectively, which can meet almost all your general polishing needs Easy to Usetriangular sides length and height: 150*150*105mm, pre-cut, with 11 holes for dust removal, can be used for most palm sanders of this size, closure for quick sticking Wide applicationideal for removing rust , polish metal, wood, plastic, leather, rubber, glass, etc High QualityMade of high purity aluminum oxide, evenly and anti-static, well-made, guarantees quality and durability Easy to identify The grits are marked on the back of the sandpaper for easy identification. 72pcs Sanding Disc Triangular Sanding Discs with 11 Holes 40 /60/80/120/180/240 Grit Size of 150 x 150 x 105mm Ideal for Sanding/Polishing/Derusting Features: / - 11-hole sanding sheets and removable. - D-level thickened paper support, high-quality paper base, ensure that it does not wont tear. - Hook and loop backing, can be replaced quickly, speed up work. - Designed for high-speed sanding, providing fast cutting. - High-strength resin bonding system increases service life - Applicable to rust and abrasive materials such as metal and non-metals, wood, rubber, leather, plastic, stone, glass, etc. Specification: Grain : 40 60 80 120 180 240 Abrasive: Aluminum Oxide Size: 15.2*10.5cm Backing technique: hook and loop. Package Lists: 12 x Sandpaper (40 ) 12 x Sandpaper (60 ) 12 x Sandpaper (80 ) 12 x Sandpaper (120 ) 12 x sandpaper (180 ) 12 x sandpaper (240 ) The color red