DHWJ-005 aluminum snap hook 1.aluminum alloy 2.oxidation treatment 3.large size DHWJ-005 aluminum snap hook specification:1.material:aluminum alloy 2. oxidation treatment3.100% proof loaded to 3600lbs4.min breaking load:5000lbs5.meets EN 362 standard6.gate opening:60mm DHWJ-005 aluminum snap hook , large size hook , forged hook