Allstar 3/4 inch Slider Box Weld-On Style Steel Trailing Arm Bracket features a trailing arm bracket and is a 3/4 inch slider box design. It is a weld-on style. The measurements are 1-1/2 inches x 6 inches x 2-1/2 inches and the bracket is constructed from high quality 1/8 inches thick steel. It is designed to be used with the Allstar slider box t-nuts part 60192 or 60193. It is sold separately. for easy adjustment. It is backed by a 90-day limited factory and sold individually.