Dipped Handle Heavy Duty Pipe Wrench Features:1) 45#Carbon Cast Steel Handle,or malleable cast iron. 2) The upper jaw: Drop forged steel ,45# The lower jaw:cast iron ,60# 3) the nut: 45# 4) The handle is dipped. 5) Size: 8", 10", 12", 14", 18", 24", 36", 48"