Stainless Steel Turnbuckle tie rod with 7075 ball end set of 2Use Big 5mm steel Stainless Stock Rod and M4 Thread with big 7075 Aluminum ball end with 5.8 steel ball. Super strongTurnbuckle they are precision machined from Stainless Steel. Stainless Steel shafts, threaded left hand on one side, right hand on the other. Adjusting the center allows for adjustments on the length without having to remove the rod from the vehicle. (It come set as the factory spec. )