... gear 4,stainless steel diamond floor grinding machine is not only grinding and polishing concrete, marble,granite, terrazzo ... made of stainless steel.Ideal for:1, For coarse grinding, medium grinding, fine polishing, crystallization, preparation, maintenance.2, Polish ... diamond metal, resinbond.3, Remove painting, coating, epoxy, urethane, glue, polyurethane, mastic with PCD tools.Parameter: Weight ...