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Mammut Smart HMS


The Mammut Smart HMS is a belay carabiner designed with a nifty safety gate to prevent accidental cross-loading.

The Smart HMS is all about safety and easy handling. Accidental opening and cross loading is prevented by the restricted use of the biner. It can only be unlocked and opened when the safety gate itself is open. This belay carabiner has been designed for optimal use withMammut's Smart 2.0 belay device, but it will work well with any belay device. 


  • Gate Clearance mm: 22
  • Gate Closed kN: 24
  • Gate Open kN: 7
  • Keylock: Yes
  • Minor Axis kN: 12
  • Width Widest mm: 70
  • Length mm: 105
  • Material: Alloy
  • Weight: 102g

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