Allstar 1-1/2 inch x 6 inch x 2-1/2 inch 1/8 inch Steel Weld-On Style Trailing Arm Bracket with 1/2 inch Slider Box features a trailing arm bracket and is a 1/2 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 60194 or 60195. It is sold separately. for easy adjustment. It is backed by a 90-day limited factory warranty and sold individually.