DHWJ-011 aluminum snap hook 1.aluminum alloy 2.oxidation treatment 3.medium size DHWJ-011 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:20mm DHWJ-011 aluminum snap hook , medium size hook , forged hook