Abrasive: Aluminum OxideShape: TriangleColor: Reddish BrownSize: 15*15*10 cmGrit: 40# 60# 80# 120# 180# 240#Backing : D paper backingNumber of holes: 11 HolesBack technique: Hook and LoopSpecifications Tolerance: +/- 1 mmPackage included:100 PcsFeatures:1.Sanding Discs Pads are easy to be split into two halves,With serrated parts cutting.Hook and Loop, easy and quick to stick.2.Sanding sheets are made from aluminium oxide abrasive, durable and anti-static. The grit is larger, the polish effect is finer.3.Apply to metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials grinding, polishing and so on.4.Six kinds of grit, in 40# 60# 80# 120# 180# 240#, totaling 60 sheets. Coarse to fine,covered all grit grades.5. Sanding Discs Pads are easy to be split into two halves,With serrated parts cutting.Hook and Loop, easy and quick to stick.Materialalumina ,Premium aluminum oxide grain for optimal sanding capacityApplicationSpecial for starting or electric manual grinder, Scope of application: Hardware / Electronics / Automobile / mobile phone / glass / furniture / ceramics / ship