mini flap disc,zirconia grinding metal surfaces, removing weld, edges, joints and rust, etc mini flap disc,Applicable Scope, Flat emery cloth wheel mounted on a portable angle grinder to meet the requirementsof various industrial processes.Such as: grinding metal surfaces, removing weld, edges, joints and rust, etc. Features1.Long life.2.Heat quickly, do not burn the workpiece.3.High-quality ...