ZJ Winch bumper is made of 3/16 inch and steel formed to a clean but sturdy fit. It is ready for most any winch. Bolt pattern 4 inch front to back and 10 inch side to side. D-Ring Tow Bar Mounts Great for recover. Made of 3/4 inch 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.