... , waterproof, durable. For polishing of metal, rubber, plastic, wood, semi-conductor, leather by hand use or machine use. Structure ShapeGrit ... ,, sharp, durable. For polishing and finishing of metal, rubber, wood, leather, glass, pottery and porcelain. Structure ShapeGrit rangeBackingAbrasivesCoatedstructureMaxwidthWaterproofnessSheetBeltRollDiscBlendclothaluminium oxideClosecoated230x280Goodl l ...