This easy to use belay/rappel biner that keeps the carabiner properly aligned on the belay loop to prevent cross loading also has a widened spine to prevent te migration of semi-automatic belay devices. a Weight: 70g a Strength: 22 kN a Individually proof tested Note that this item of climbing safety equipment is non-returnable. Please call us toll free at 877-236-8428 or e-mail [email protected] with any questions.