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Shop Rock + Run Brand. Drawing on our decades of climbing, running, training and general experience in the mountains, we continue to develop and expand this collection of core products directly made by Rock + Run or sourced and branded by Rock + Run. 


Mammut Crag HMS Twistlock Plus

4 reviews   |  

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The Mammut Crag HMS Twistlock Plus is a stylish and robust, versatile locking climbing carabiner that can be called upon for any climbing need. 

Coming in this awesome Ultramarine colour, the Crag Twistlock Plus is big enough for thicker single ropes if using a Munter hitch and is equally at home in use with any belay device. The main feature is the practical key lock nose, and the anodisation protects it against the elements to give you a longer lasting biner.


  • Gate Clearance mm: 22
  • Gate Closed kN: 25
  • Gate Open kN: 6
  • Keylock: Yes
  • Minor Axis kN: 10
  • Width Widest mm: 75
  • Length mm: 110
  • Material: Alloy
  • Weight: 85g
Customer Reviews
5.0 Based on 4 reviews
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Harry J.
United Kingdom United Kingdom

Item exactly what I needed and arrived quickly, thanks

Taheera A.
United Kingdom United Kingdom

Does exactly what it is supposed to and Rock and Run are always brilliant with their sales and service!

Alan v.
United Kingdom United Kingdom

Great carabiner, light, easy to use(even one handed) .. safer than a screw lock. Would buy the same again.

Brilliant colour

Bought for kayaking. Great colour. Feels more substantial than ones from kayaking manufacturers in the shops & great value.