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Mammut Sender Twistlock

The Mammut Sender Twistlock carabiner is the right choice for climbers who demand performance when every gram counts.

This extra-lightweight and compact carabiner features a ‘D’ shape for easy handling. The key lock nose prevents any snagging when clipping and unclipping. The twist-lock closure is easy and intuitive to operate with one hand, and automatically locks when released. Once of the lightest and most compact of its type on the market.


  • Extremely compact and light
  • D-shape for easy handling
  • Key lock nose for easy clipping and unclipping without snagging
  • Easy and intuitive to operate with one hand


  • Gate Clearance mm: 19.5
  • Gate Closed kN: 26
  • Gate Open kN: 10
  • Keylock: Yes
  • Minor Axis kN: 9
  • Width Widest mm: 59.5
  • Length mm: 99
  • Material: Alloy
  • Weight: 56g

Rock + Run Sleeping Bags

Ethically sourced Polish goose and duck down, combined with lightweight technical fabrics for exceptional warmth, weight and durability.