... *16,115*22,125*22,150*22,180*22mm material:ZIRCONIA ALUMINA revoluting speed:12500r/min backing:fibergals,plastic Radial flap ... wheel inciude flap wheel with chuck,flap wheel with shank,disc flap wheel.It is ideal for machinery,auto,shipbuilding,light ... :100*16,115*22,125*22,150*22,180*22mmmaterial:ZIRCONIA ALUMINArevoluting speed:12500r/minbacking:fibergals Zirconia abrasive flap disc