Mammut Classic HMS Screw Gate
Best versatile locking carabiner for traditional and sport climbing enthusiasts.
A reliable, medium-sized pear-shaped carabiner built for smooth rope handling and secure belaying. It features a snag-free nose and a clear visual safety indicator, ensuring confidence even in harsh, dirty, or icy environments.
$19.00
More Classic HMS options
Who it's for
- Frequent climbers seeking a reliable workhorse for their rack
- Belayers who prioritize ease of use and tactile feedback
- Multi-pitch climbers needing a versatile tool for various belay setups
Who should skip it
- Ounce-counting alpinists looking to minimize every gram of gear
- Novice climbers who prefer the added security of auto-locking gates
- Minimalist climbers prioritizing a compact and streamlined gear setup
Performance breakdown
Gate Security
The high-visibility indicator provides instant peace of mind while climbing.
Handling Ease
Smooth screw-gate action allows for effortless one-handed operation.
Rope Management
Pear-shaped geometry keeps ropes organized and minimizes friction during belays.
Snag Resistance
Keylock nose design ensures clean clipping without catching on gear loops.
Durability
Robust aluminum construction withstands harsh, icy, or dirty alpine environments.
Weight Efficiency
Balances essential strength with a lightweight profile for long approaches.
Key Specs
Material
Aluminum
Gate Type
Screw Gate
Major Axis Strength
24 kN
Minor Axis Strength
9 kN
Open Gate Strength
8 kN
Gate Opening
24 mm
Length
109 mm
Width
69.5 mm
Weight
63 g
Keylock Nose
Yes
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