The EXPRESS quickdraw sling is perfect for working a route. The ergonomic shape makes it easier to grab. The STRING helps maintain the proper orientation of the carabiner and protect the carabiner attachment loop from wear.. . Ergonomic shape makes it easier to grab. Rope end of the quickdraw is equipped with a STRING to maintain the proper orientation of the carabiner and help protect the carabiner attachment loop from wear. Material(s): polyester, rubber. Certification(s): CE EN 566, UIAA. Sling length: 17cm. Strength: 22kN. Weight: 0.78 oz. (22g). Spot clean. Imported. | Petzl Express Quickdraw Sling, 17Cm