... disc) in different size and grit. 140x140x80mm .abrasive disc(velcro disc,sand disc)material: aluminum oxide,silicon carbide,Zirconium aluminumgrit ... ),self-adhensive(PSA)hole:with or withoutcolor:red,white,black,yellow,green,orangecoated:with or without.shape:round,triangle, ... information please feel free to contact us.............................................. abrasive disc(velcro disc,sand disc)