Lock a Contractors ladders securely to their truck racks, ladder racks, van racks, trailer racks while transporting. Easy on and off. Made of heavy gage steel. Eliminates swaying, vibration and the risk of losing your ladders while in transport. Secures 1 or 2 Ladders down tight. Simply the Easiest, Most Effective and ECONOMICAL Solution to Ladder Safety and Security on the Market Today! No more hassles with faulty tie downs. Get rid of those easy to cut cables, wires, ropes, straps or the risk of an eye injury from a broken bungee cord. Patent No. 5918488