Hayman Reese is famous for the heavy duty towbar because we invented it. Our class 4 heavy duty towbar is the industry benchmark featuring the famous 50 x 50 mm square hitch receiver. Typically rated to the vehicleÍs maximum towing capacity, Hayman Reese heavy duty towbars are a must have for towing caravans, boats, horse floats or even the professional tradesman. The Hayman Reese range of heavy duty towbars also a feature a removable Trailer Ball Mount. When you are not towing, simply remove the retaining clip & hitch pin, and the Trailer Ball Mount slides straight out. The 50 x 50 mm square hitch receiver is also compatible with our entire range of Weight Distribution kits offering improved safety, handling, control and comfort when towing heavy loads. We also offer a complete range of towing accessories including; adjustable Trailer Ball Mounts, drop-shanks, Trailer Ball Mount storage bags, lockable hitch pins, and even bike racks that bolt straight on.