Description:1.Screen-like composition allows dust to migrate right through the abrasive to prevent clogging, eliminates loading and has extra long life2.Oil-resistant, water-resistant, both wet and dry, both sides can be used, mesh design can effectively reduce dust deposition3.Aluminum oxide grain refractures for longer life and stearate coating runs cooler for reduced loading4.Fits 6" hook & loop back up pads, often used on most drywall sanders, with and without dust extraction5.Suitable for walls, wood and paint surfaces polishing, and also for aluminium materials buffing Specification:Grit : 240 GritTotal Size : 6 x 0.04inch/150 x 1mm(D*T)Abrasive Material : Aluminum OxideBack Material : Flocking Package Content :3pcs x Sanding Discs.