About the Mammut Workhorse HMS Screwgate
The Workhorse HMS Screwgate is Mammut’s largest and highest-performance locking carabiner. It is able to accommodate several ropes, slings and knots and is ideal for use for anchoring as a central carabiner.
The Workhorse HMS is one of the most robust carabiners you can buy and its size means it is extremely easy to use when wearing gloves. It also features a key lock nose for easy clipping and unclipping.
The screw lock is extremely easy to operate whatever conditions you find yourself in and there is an orange safety marking to indicate when the carabiner is not screwed closed.
An absolute must-have for your climbing kit!
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- Optimised design for smooth belaying and high service life
- Orange marking provides a warning if the carabiner is not screwed closed
- Key lock nose for easy clipping and unclipping without snagging
- Easy to operate screw locking, even in dirty and icy environments
- Horizontal breaking load: 12 kN
- Vertical breaking load: 27 kN
- Open breaking load: 8 kN
- Weight: 75g














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