ZJ Winch bumper is made of 3/16 and � steel formed to a clean but sturdy fit. It is ready for most any winch. Bolt patter 4 �� front to back and 10� side to side. D-Ring Tow Bar Mounts Great for recover. Made of 3/4� Steel. Designed to be used with Tomken Universal Tow Bar. Bumpers are made with extra mounting points. Integrated frame plate brackets provide better pulling capacity and rigid ness. Powder coated black.