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SMC Large Steel D Carabiner – Safety Lock



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The SMC Large Steel D Carabiner Safety Lock is for situations requiring maximum strength and security. The SMC ANSI Safety Lock is manufactured with high-strength zinc plated alloy steel for the ultimate strength-to-weight ratio. By locking the sleeve on the gate rather than the body of the carabiner, the SMC Large Steel D maintains greater overall strength and smooth action.


  • NFPA 1983, G (2012)
  • ANSI Z359.12 (2009)
  • Berry Compliant
  • Made in the USA


  • Type: Triple Auto Lock
  • MBS: 46 kN (10341 lbf)
  • Weight: 11.5 oz (325 g)
  • Length: 5.04" (12.8 cm)
  • Width: 2.97" (7.5 cm)
  • Gate Opening: 1.20" (30.5 mm)
  • Major Axis: 46 kN (10341 lbf)
  • Minor Axis: 16 kN (3600 lbf)
  • Gate Open: 11 kN (2473 lbf)
  • Material: Zinc Plated Steel Alloy

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