XL Steel Locking Carabiner


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All the components found in this carabiner are meticulously hand-finished after machining, resulting in the smooth, free gate action that is the hallmark of all SMC carabiners. Additionally, each carabiner is 100% hand inspected for gate action and other functional characteristics before leaving the SMC factory. Look if you like but the chances are you’ll not find a better stainless steel carabiner anywhere.

The Extra Large Locking Steel carabiner is third party certified by Underwriters Laboratories to meet NFPA 1983 “G” General Use.


  • UL certified to meet NFPA1983 "G" General Use.
  • Thread design and medium knurl provide a positive action for secure use with gloves yet is easy on bare hands.
  • Sleeve is precisely aligned by hand so that it moves freely and locks on gate not the frame 
  • Offset D shape results in larger gate opening.
  • Made in the USA.


  • Model #: NFPA20003
  • Material: Steel Alloy
  • Finish: Zinc Plated
  • Dimensions: 5.7” x 3.5”
  • Gate opening: 1.45”
  • Weight: 12.2 oz (346g)
  • 3 Sigma test:
    • Major axis– 54kN (12,139 lbf)
    • Minor axis– 13kN (2,922 lbf)
    • Gate open– 14kN (3,147 lbf)
  • NFPA1983 Certified
  • Made In USA
XL Steel Locking Carabiner
XL Steel Locking Carabiner
XL Steel Locking Carabiner
XL Steel Locking Carabiner