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Petzl Sm’D Carabiner

Ultra-light asymmetric carabiner

The compact Sm’D asymmetrical aluminum carabiner is recommended for workers at height looking to reduce weight to a minimum. D shape makes it especially suitable for attaching devices. It is available in two locking systems (automatic TRIACT-LOCK system or manual SCREW-LOCK system), or without a locking system.

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  • D shape is especially suitable for attaching devices
  • Compact aluminum carabiner, for workers at height looking to reduce weight to a minimum
  • Easier handling:
    – fluid interior design limits the risk of having a catch point and facilitates rotation of the carabiner
    – Keylock system to avoid any involuntary snagging of the carabiner
  • H cross-section:
    – ensures an optimal strength/weight ratio
    – protects markings from abrasion
  • Hole for connecting TIBLOC or MICRO TRAXION type devices, limiting the risk of losing them
  • Two locking systems available:
    – TRIACT-LOCK: automatic locking with triple-action gate opening
    – SCREW-LOCK: the manual screw-lock with red band provides a visual warning when the carabiner is unlocked
  • Available without locking system, for easy clipping during progression using climbing techniques


  • Weight: 
    • TRIACT-LOCK: 55 g
    • SCREW-LOCK: 45 g
    • Without locking system: 40 g
  • Gate Opening: 
    • TRIACT-LOCK: 18mm
    • SCREW-LOCK: 20mm
    • Without locking system: 23mm
  • Major axis strength: 23kN
  • Minor axis strength: 8kN
  • Open gate strength: 7kN
  • Material(s): aluminum


    • CE EN 362
    • CE EN
    • 12275 type B
    • EAC
  • Without locking system
    • CE EN 12275 type B


Additional information

Locking Mechanism

Screw-Lock, Triact-Lock, Without locking sytem

Gate Opening Size

18mm, 20mm, 23mm


Black, Yellow