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Petzl Sm'D Screw Lock

  • Product Number: 5056 - 582252

Sm’D is a D-shaped locking carabiner that is lightweight and compact and can be used in numerous situations; it is easy to manipulate, even when wearing gloves, and is available in three locking system versions.


  • Great versatility:
  • - D shape is functional regardless of orientation, meeting multiple uses: attachment of a belay system, a pulley, or on the end of a lanyard...
  • - compact and very lightweight
  • Good handling and ergonomics:
  • - D shape for good handling
  • - H-shaped cross-section contributes to better grip when wearing gloves
  • - Keylock system, to avoid any involuntary snagging of the carabiner
  • - hole allows a TIBLOC or a MICRO TRAXION to be connected to the carabiner with a cord, making these devices loss-proof
  • Available in three locking systems, each for different situations:
  • - SCREW-LOCK: easy-to-open system, locking or not, according to the needs of the user. The red band provides a visual warning when the carabiner is unlocked. This system is suitable for harsh environments where contaminants (mud, ice) could cause an automatic locking system to jam


  • Weight: 46 g
  • Locking system: SCREW-LOCK
  • Type: B
  • Major Axis Strength: 23 kN
  • Minor Axis Strength: 8 kN
  • Open Gate Strength: 7 kN
  • Gate Opening: 20 mm
  • Material: aluminum
  • Guarantee 3 years
  • Model No: M39A SL
  • Certification(s): CE EN 12275, UIAA