Get the strongest and most versatile sliding tie down winch with the 4" Standard Profile Double L Track Sliding Winch from U.S. Cargo Control. Each sliding winch measures 6" in length and 8" wide and can fit winch straps up to 4" wide webbing. Made with a durable steel that can withstand working loads of up to 5,500 lbs. and finished with a black protective paint that provides resistance to rust and corrosion, this flatbed winch is designed to last. The standard profile frame allows the double l winch to store up to 20' (240") of additional webbing when tying down flatbed trailers. Using a Double L track, these winches slide easily in both directions to any desired position in order to secure cargo properly. The flatbed trailer winch will stay in its place once tension has been applied; simply release tension from the winch strap and move with winch freely along the track to reposition it. For an easy and reliable tie down system, the Standard Profile Double L Track Sliding Winches from U.S. Cargo Control provides the strength, safety, and versatility that you need.