DMM Boa HMS Carabiner
Best secure carabiner for demanding climbing applications.
This is the heavy-duty workhorse you want when your rigging gets complicated and the stakes are high. Its massive, glove-friendly frame handles complex loads with ease, though its substantial size means it’s overkill for anyone looking to shave grams on a fast-and-light alpine mission.
$35.50
at
Rigging Warehouse
More BOA options
Who it's for
- Climbers and rescuers prioritizing maximum safety and reliability.
- Multi-pitch climbers and instructors needing adaptable belay devices.
- Alpinists and trad climbers seeking strong, light gear for long routes.
Who should skip it
- Guides and frequent users concerned about long-term wear from heavy use.
- Minimalist climbers and sport climbers preferring compact, streamlined gear.
- Budget-conscious climbers and beginners looking for entry-level equipment.
Performance breakdown
Load Capacity
The 30kN rating provides significant overhead for heavy rescue and rigging.
Glove Compatibility
Generous sizing makes operation seamless even while wearing thick winter gloves.
Rigging Versatility
The massive, curved basket easily manages multiple ropes and complex hitches.
Durability
Hot-forged 14mm bar stock ensures long-term resilience in harsh environments.
Gate Operation
Screw-lock mechanism is reliable, though slower than modern auto-locking alternatives.
Weight Efficiency
Substantial build adds weight, prioritizing raw strength over ultralight portability.
Key Specs
Material
Aluminum
Shape
Pear (HMS)
Gate Type
Screw Locking
Gate Opening
24.13 mm
Major Axis Strength
30 kN
Weight
95.25 grams
Hot Forged
Yes
Vendor Part Number
A907
Know before you buy
Still have a question?
Ask Metto anything about the DMM Boa HMS Carabiner before you decide.