Information Max. RPMï¼?13.300 RPM Dia.ï¼?100mm,115mm,125mm,150mm,180mm,230mm Materialï¼?zirconia Aluminia Grit sizeï¼?40-320# Centre hole dia.ï¼?16mm,22,23 mm Packing unitï¼? 10 pcs. Description High-performance flap disc for maximum stock removal on high carbon steel and stainless steel (INOX). Materials that can be worked: stainless steel (INOX) alloy-steel,cast iron and nonferrous metal Applications: deburring, chamfering, work on edges, weld dressing, work on fillet welds Drive types: angle grinder