professional quick release pipe wrench Material of head: Cr-V, or carbon steel, induction quenched Material of nut: Drop forged with #45 steel pipe wrench Material of handle: Nodular cast iron pipe wrench Precise upper and lower teeth ensures strong clamping force Finishing: Phosphating head+ powder coated handle Handle: Bare or dipped Size: 8", 10", 12", 14", 18", 24", 36", 48" Packing: OPP bag for each piece Cuerpo fundido en hierro nodular con mordazas de alto carbono endurecidas. Maquinado preciso del tornillo facilita ajuste de las mordazas. product namecustomizedsizequick release pipe wrenchyes8", 10", 12", 14", 18", 24", 36", 48"