The ProGrip Truck Rack Tie Down is built for strength and endurance. This Truck Rack Tie Down comes with 3 ways to tighten your load 3/4″ Wrench, 3/8″ Drive Socket Wrench, and 1/4″ Diameter Rod. A round tubing adapter is build into the packaging. Snap off the top and bottom portions of the package and retain the round tubing adapter to help in mounting on your cargo rack.