... ltd ,our company is specialize in different kinds of wood cutting blade steel strip such as heat treatment quenching steel strip cold ... -230mm2)colors:black ,yellow ,blue ,white3)usage:band saw ,hand saw ,shutter door spring Features:1) steel strip range:0 ... :blue ,yellow ,white ,black3) suitable for pipes ,packing strips ,saw blade ,shutter door spring and other hardware tools4) hardened and tempered ...