Forged Alloy Steel Karabiner With Screw Lock Gate. Max Gate Opening 18mm. 100% Proof-loaded To 16kn And Max Breaking Strength 25kn. Tested And Certified To En362. Product Specification - GFAZ011 Screw Lock Karabiner Standard EN 362-B:2004 Strength: 25kN Method Of Construction: Forged Method Of Adjustment: Spring Max. opening: 18 mm Size: 105 x 60mm Weight: 160g Locking system: Screw Material: Steel Design: Oval