Mammut Classic HMS Carabiner
Best reliable screw gate for climbers seeking durable and smooth operation.
A reliable, medium-sized pear-shaped connector built for smooth belaying and station management. It balances ease of use with essential safety features, making it a dependable choice for everyday climbing needs.
$17.95
at
Alpenglow Adventure Sports
Who it's for
- Climbers seeking a reliable, snag-free experience during rope transitions
- Frequent gym and outdoor climbers needing long-lasting safety hardware
- Traditionalists who prefer simple, manual locking security they can trust
Who should skip it
- Alpinists and weight-conscious hikers prioritizing the lightest possible gear rack
- Distracted beginners or speed climbers who benefit from auto-locking gates
- Minimalists looking to reduce bulk on a crowded climbing harness
Performance breakdown
Belay Efficiency
Pear shape optimizes rope movement for smooth, consistent belay control.
Safety Visibility
Orange gate indicator provides instant, high-contrast feedback on locking status.
Clipping Ease
Keylock nose design eliminates snagging on bolts, slings, or ropes.
All-Weather Reliability
Screw-lock mechanism maintains smooth operation in grit, ice, and grime.
Weight-to-Strength Ratio
Solid 24kN rating keeps your rack light without sacrificing essential durability.
Ergonomics
Intuitive handling makes one-handed operation natural even with gloves on.
Key Specs
Weight
68 grams
Closed Gate Strength
24 kN
Open Gate Strength
8 kN
Minor Axis Strength
9 kN
Shape
Pear
Keylock Nose
Yes
Locking Indicator
Yes
Know before you buy
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