The main slider is constructed from 2"x3" rectangular tube with a 3/16" wall thickness. The mounts to the frame are 1/4" formed channel welded to 1/4" plates. Attachment is done using 3 7/16" U-bolts on each side. The outer tube is 1.75" tube welded to the main slider and supported with two gussets.
The sliders are finished with 60% gloss powder coat finish. The pre-treatment includes baking to remove all oil, phosphate washing, sandblasting and then a powder coating is applied.