Description:

Feature - Box-end Size: 70mm wrench; Total Length: 420mm / 16.54"; Thickness: 31mm / 1.22".. High Carbon Steel - Forged with high tensile steel is good toughness and wear-resistant. High-frequency hardened and black phosphate treatment with high hardness, anti rust and corrosion-resistant.. Hardness - Heat treatment for high hardness. Enable to use great forces and strike.. Usage - Used to tighten or remove large bolts and nuts on machine tools and machinery. Hanging holes at the tail can be used for hanging storage.. Widely Used - Suitable for garage workshops, miner, metal/wood workers, builders and DIY enthusiasts, etc..