Mammut Workhorse HMS Screwgate Carabiner Grey – Heavy-Duty Locking

Rugged reliability for anchor work and belaying

The Mammut Workhorse HMS Screwgate Carabiner in grey is designed for demanding use where strength and smooth operation matter most. Its size supports confident handling with gloves, while its opening width and interior volume accommodate several ropes, slings, and knots at once. This makes it well suited for central anchoring tasks where durability is key.

From the moment you grip it, you may notice the solid heft and precise action of the screw lock. The design prioritizes a reliable lock even when mud, ice, or dust are present, helping you keep your system secure as you work.

Notable design advantages

• Largest and highest performance locking carabiner in Mammut's lineup
• Optimized geometry supports smooth belaying and long service life
• Orange marking provides a clear warning if the gate isn't screwed closed
• Key lock nose reduces snagging, making clipping and unclipping easier
• Effortless screw locking for operation in dirty or icy environments

Real-world use cases

Use this carabiner as a central anchor in rope systems, where a robust, durable piece earns daily trust. It's practical for belay stations, top-rope setups, or fixed lines. The large opening helps you feed ropes and knots quickly, streamlining rigging on busy days.

The equipment's generous interior space also accommodates multiple slings and connectors, enabling efficient configuration with fewer components. The orange visual cue adds a layer of safety by highlighting incomplete closure at a glance.

Why choose the Workhorse in challenging environments?

In alpine or outdoor settings where conditions vary, you'll appreciate the grip and reliability of a carabiner designed to stay functional in cold, dirty, or wet conditions. This model is built to withstand frequent use and remain dependable over time.

Note: While this description highlights potential benefits based on design, actual results depend on proper technique and context. Always follow safety guidelines and inspect hardware regularly.