The DMM Boa HMS Kwiklock Red Gate Carabiner is a high volume, robust and strong carabiner with a 23mm gate opening. Its asymmetric HMS shape sits naturally in the hand for easy handling, and I-Beam construction means that despite its large size, the Boa is still surprisingly light. Features HMS locking karabiner Taperlock nose Large gate opening Durable & lightweight Ideal for rigging or belaying; can accommodate multiple knots Easy to handle in gloves Strong I-Beam construction to save weight (almost 25% reduction) Kwiklock locking systems: Auto-locking gate requiring two separate actions to open. Kwiklock gates are suitable when auto-locking gates are a necessity, but rigging systems are relatively static and anchor points are easy to monitor.   Watch this short video to find out more about the features and benefits of the Boa carabiner. Technical Specification: Kwiklock locking systems Code - A903 Major Axis - 30kN Minor Axis - 12kN Gate Open - 9kN Size - 83 x 122mm Weight - 96g Gate Opening - 23mm Conformance - EN 362:2004 B/T, EN 12275:2013 B & H