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Petzl M37 SL Omni Lock Carabiner

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0.22 LBS
Usually ships the same business day

 Product Description

Semi-circle carabiner for closing a harness

The half-moon OMNI is used to close harnesses that have two attachment points that must be joined with a connector. It has a breaking strength of 15 kN when loaded in any direction.


  • Designed to be loaded on all three axes.
  • Keylock system
  • Available with manual locking system (SCREW-LOCK) or auto-locking system (TRIACT-LOCK)


  • Material(s): aluminum
  • Certification(s): CE EN 362, CE EN 12275 type B, UIAA (M37 TL only)

 Warranty Information

3 year manufacturer

 Other Details

Gate Opening:
22 mm
Major Axis Strength:
Gate Open Strength:
Minor Axis Strength:
86 grams

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 Product Reviews

  1. This is the best option for the Frog

    Posted by Anmar Mirza on 7th Jun 2017

    Half-moon maillons both aluminum and stainless steel have a tendency to become racked over time and can be difficult (and some times impossible) to open. I have had students have new aluminum ones weld itself closed so hard it could not be opened with it clamped in a vise and using a wrench. The Omni-Lock is an excellent solution to this issue. I prefer the manual lock over the auto-lock as much of my caving is in pretty bad mud and the auto-lock can become jammed, but I recommend the auto-lock for new cavers until they become proficient enough to be able to make their own decision.

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