This U Bolt retention plate is made for Jeep 2.5" width Leaf Springs and due to the oval bolt holes it will fit an axle from 2.5 to 3.5" in diameter, so if you upgade axles you won't need new U Bolt Plates. It is also set up for 3 different mounting position options. The ends are bent at a 45 degree angle for additional lateral strength and it is .375" (3/8) thick. It is made from HR P&O Steel Plate. Sold in pairs.