Security and durability is ensured with the Express Set Element Key-Lock by Mammut®. The robust polyamide sheath is of a different color from the red core. If the sling is damaged, the red core shows through, telling the user that it is imperative to replace the equipment. Easy-to-use Element Key-Lock carabiners. Breaking load lengthwise - 23kN Breaking load open - 8kN Breaking load across - 8kN Closure System - Straight Gate / Bent Gate Length - 15cm. width in mm - 16mm. Weight in g - 102.