Description:1.Polyester abrasive can use in dry and wet environments2.Hook and loop sandpaper backing makes grit changes quick and easy, and lengthens the life of the abrasive3.Pre-punched with 8 holes for efficient dust extraction,easy to use4.Suitable for wood, metal polishing painting,etc. Specification:Grit : 800 GritTotal Size : 5 x 0.02inch/125 x 0.5mm(D*T)Hole Quantity : 8 HolesColor : GreenAbrasive Material : PolyesterBack Material : Flocking Package Content :2pcs x Sanding Discs.