Head material alloy steel,overall heated for high strength and good wear resistance,cutting hardness can be reach 30HRC.The overall length of the tool is 900mm,unit weight about 5.4kgs,mouth open distance not less than 18mm and can cut steel bar with diameter 12mm.The material of the rubber covers insulated for safe handling. 14”, 18”, 24”,30”,42” and 48” are also available.