Developed specifically to meet the needs of rescue system belays, the 540° Rescue Belay is a self-locking device that meets demanding drop-test criteria - able to hold falling loads quickly while limiting the peak force. This well engineered device is easy to rig and the symmetrical design reduces the risk of improper loading. A built-in release lever releases the tension on the belay rope, eliminating the need for a release hitch. Designed for use with kernmantle rescue ropes from 11.5 to 13mm. 3 MBS: 8,093 lbf. Passes the BCCTR Rescue Belay Competence Drop Test Criteria. Ship. wt. 3 lbs.