... can be used widelysuitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, i.e.White aluminum ... and Nonmetallic material, i.e.Our company supplystraight wheel,type 2 cylinder wheel,type 3 Tapered one side wheeltype 4 Tapered ... two sides wheel,type 5 recessed one side wheel,type 6 straightcup wheel,type 7 recessed two sides ...