... 3.Size: 2''-9' aluminum oxide Velcro Abrasive Disc/ velcro abrasive discs / abrasive fibre disc 1.Size:115/125/150mm2.Material:aluminium ... 6 holes, 8 holes 9holes, or 15 holes and so on5 used for polishing auto surface, wood, stone Feature:aluminum oxide velco disc is ... metal, piano board, leather, automobile, stone etc. Velcro disc with holes is better for the strips go out, so the work pieces can ...