The Motobilt lower axle link brackets are laser cut 3/8" steel plate. The mounts are designed to fit the GM 14 bolt axle housing tubes. They are offset to allow the rod end and to achieve maximum articulation. They are made with a 3/4 inch bolt hole. They can be used in other applications but were designed to be used with the Motobilt Jeep YJ and TJ 4 link bracket system on the lower front links. These are sold in a complete set of 2 Pairs or enough to do one axle.