Tungstern Carbide Blade for cutting bar 1)material: hss M2, carbide 2)HRC:63-61.5 3)quickly delivery time 4)high quality Tungstern Carbide Blade for cutting bar1)material: hss M2, carbide2)HRC:63-61.53)quickly delivery time4)high quality5)packing detail: inner packing: plastic bag, outer packing:carton box Tungstern Carbide Blade for cutting bar