... 7 holes Size: 100mm,115mm,125mm,150mm,180mm,230mm Velcro backing Grain Backing Diameter X Hole sizeGrit No.A. ... the automobile surface coating, woodwork lacquer, painting, carpentry, marble, metal and mold, musical instrument, glass, ceramics Based: C, D, ... customerizeInterface: velcro or pressure-sensitive adhesiveSize: 2", 3"”, 4", 4.5", 5", 6", 7", 9"Grit: P36-P1200 Aluminium Oxide Velcro Disc