The Danik Hook System makes it easy to adjust your line length. Simply attach one end of your line to your anchor point and slide the other end through the line passage in the Danik Hook. The line slides freely through the passage when the Danik Hook lever is pushed down and is held firmly in place when released. The unique mechanism grips the line at the desired location, easily adapting your line to any length without ever tying a knot.• Perfect for boating, camping, and many other uses• Made of non-corrosive composite material• Mini Hook for use with 5/32" - 3/8" dia. rope• Works with solid or braided rope and paracord• Integrated ring• Holds up to 300 lbs. Just push the lever, and line slides freely through the hook Release the lever, and the line is held firmly in place For use with 5/32" to 3/8" dia. rope | Universal Mini Hook, 2-Pack