Professionial Alumina grain abrasive velcro disc 1.grain:alumina; 2.color:red; 3.the effect of non-loading is remarkable. Professionial Alumina grain abrasive velcro disc Item NO.A2Grainaluminacolorredtexturesuper coatinggrit120-1000#Application:Paint, magnesium alloy, annatto, wood, resin, aluminum alloy, carpenter grinding and polishingAdvantage:Blockingproof well, grinding low temperature, or ...