... %Pure wool 3.Applicance in crystal marble mirror NameWool Grinding Head for GlassSpecification Diameter x Height x Handle(mm)/Column4*12 ... handle.UsageApplicable to mirror grinding, stainless steel, irons, stones, timber curving and grinding of common metal surface.Wool Grinding Head which is made ... and it to a smooth finish.It is ideal for general polishing of most ferrous metals,stones,glass and ...