Flexible high carbon steel hacksaw blade High quality high carbon steel as material ,high frequency heat treatment to ensure the steady quality and endurance . size :12"x1" 12"x1/2" Packing:144pcs/box,1440pcs/ctn or 100pcs/box,2000pcs/ctn 72pcs/box,720pcs/ctn or 50pcs/box,1000pcs/ctn LISA FU (Mobile:0086-15854181028) 72pcs/box, 720pcs/ctn, 50pcs/box, 1000pcs/ctn.