Detailed Product Description 1-Abrasives grains: Aluminium Oxide,Silicon Carbide,Zirconia Oxide,Re-enforced Aluminium Oxide2-Flap cloth type: a) Domestic-made:SANLING,Kingcattle etc, b) Imported:VSM,KINSPORE,AWUKO,Hemers,Riken etc3-Grains grit: 36,40,60,80,120,150,180,240,320,4004-Bonding:Resin over resin5-Version type:Flat type( T 27 ), convex type( T 29 )6-Size:3", 4", 4.5", 5", 6", 7"(75,100, ...