Rock Hard Cherokee XJ Rear Bumper/Tire-Carriers are made out of 3/16" x 2" x 4" thick tubing in the center and with outter edges that are made of 1/4" plate. This bumper also comes with (2)-5/8" x 2-1/2" CNC D-Ring shackle mount with tabs that are welded on front, go through bumper and then welded on the backside too. 2" receiver for towing is integrated into bumper.