Description
The DMM Boa HMS 30kN Kwiklock Carabiner is a high-capacity connector designed for professional arborists, rope access technicians and rescue specialists who require exceptional strength, security and ease of handling. Featuring DMM’s renowned Boa HMS shape, this carabiner provides a generous internal basket capable of accommodating multiple rope connections, friction hitches, pulleys and complex rigging configurations commonly used in modern tree care operations.
Hot forged from robust aluminium, the Boa delivers an impressive 30kN major-axis strength rating while maintaining a lightweight design suitable for everyday climbing and work-positioning systems. Its large HMS profile creates ample working space, helping ropes and hardware align naturally while reducing crowding within the connector. This makes it particularly valuable for arborists managing advanced climbing systems and rigging setups.
The Kwiklock gate mechanism provides automatic locking security and requires two deliberate actions to open, helping reduce the likelihood of accidental gate opening while maintaining fast and efficient operation. The gate automatically returns to the locked position after closing, offering additional confidence during life-support applications.
DMM’s patented Taperlock and Keylock nose design creates a smooth, snag-free connection point that helps prevent ropes, slings and hardware from catching during installation or removal. This improves efficiency when moving through the canopy, managing redirects or adjusting climbing systems throughout the day. The large shape and ergonomic design also make the Boa easy to operate while wearing gloves.
Widely respected among climbers and rope professionals, the Boa HMS is known for its exceptional capacity, durability and ease of use. Arborists particularly value its ability to accommodate multiple connections and knots while maintaining excellent handling characteristics in demanding work environments. Community feedback frequently highlights the Boa’s suitability for large anchor systems and complex rope setups.
Key Features
- 30kN major-axis strength rating
- Kwiklock auto-locking gate system
- Large HMS basket for multiple rope connections
- Hot-forged aluminium construction
- Keylock nose for snag-free operation
- Patented Taperlock technology
- Excellent for arborist climbing systems
- Suitable for rigging and work positioning
- Easy handling with gloves
- Certified to relevant climbing and industrial standards







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