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Mammut Classic HMS Screwgate Carabiner


Classic carabiner for belaying

The Classic HMS Screwgate is a medium-size versatile pear-shaped carabiner. It is suitable for constructing belay stations and for belaying using an HMS knot or belay device; it allows the rope to run smoothly and reduces wear. The screw locking is easy to operate even in icy or dirty environments. The key lock nose ensures easy clipping and unclipping without snagging. The orange marking is an additional safety feature, acting as a warning if the carabiner is not screwed closed.


Height: 109 mm

Width: 69.5 mm

Vertical Breaking Load: 24 kN

Open Breaking Load: 8kN

Horizontal Breaking Load: 9kN

Weight: 63 g

Cut: Basic

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

All-around medium-sized carabiner

Optimum shape for belaying with HMS knots

Developed to allow improved rope passage and reduced wear

Material Composition

Hardware Main Fabric: 100% Aluminium