The TL-9 is made from half inch solid steel, with a 6 x 6 base plate, and 4 1/2 inch gusseted towers spaced approximately 2 inches apart. The solid base plate increases the contact surface area with the ground while the towers provide lateral support for the tool. In addition, there is a solid steel traveling limit pin between the towers that prevents the spreaders from opening beyond 70%. At 70%, lift heights have ranged between 19-30 inches depending on the H.R.T. unit. When the traveling pin reaches the tops of the towers it locks the lower tip of the spreader into a groove at the front of the plate which works to increase overall stability.