Carabiner attaches quickly to your harness, and it cinches with a fast-adjust Prusik sliding knot. Perfect for use when you have to move the Strap up the tree as you climb. Super light, strong and pocket sized. Strap is 8 ft. long. Durable nylon rope with Prusik sliding knot Heavy-duty carabiner 400-lb. weight capacity 8'l. overall A must for climbing mobility. Get it now!