Mammut Smart HMS 2.0 Screw

24,90 €

HMS Smart carabiner with safety mechanism to prevent accidental side loading.


The new and improved version of our popular locking carabiner impresses with improved construction, higher breaking load and reduced weight.


It still offers the same double security and easy handling. The screw lock can only be actuated when the protective door is open.


Accidental opening is excluded, as well as inadvertent twisting of the carabiner in the safety loop of the climbing harness. This prevents dangerous side loads.



  • Safety gate to secure the carabiner in the correct position
  • The security gate ensures that the carabiner can only be used when it is securely closed
  • Optimized construction for smooth belaying and increased durability
  • Key lock nose for easy engagement and disengagement without snagging
  • Suitable for Climbing
  • Vertical breaking load 28 kN
  • Open breaking load 6 kN
  • Horizontal breaking load 11 kN
  • Weight 93 grams