Detailed Product Description 1-Applicactions:Cement,Metal,Stone,Marble2-Bongding: Resin3-Abrasives grain: Aluminium Oxide,Silicon Carbide,White Aluminium Oxide(WA),Pink Aluminium Oxide(PA)4-Backing: re-enforced fiber paper5-Backing thickness: 1.2-2.0mm6-Grit: 8#,16#,24#,36#,60#,80#,120#,150#,180#,240#,320#7-Hole pattern: round hole,cross hole8-Shape:Convex,Concave9-Shape of surface: Flat, ...