These axle link mounts are made to be welded directly to the axle tube. This is a super strong CNC bent, Laser cut bracket made to take serious abuse. Perfect for a three link or four link suspension system. These are made to be attached to your axle and have an inside width of 2" at 10 degrees with a 1/2" bolt hole. Like all of our products, they are made in the USA from USA steel.