4″ x 10″ Tubing frame and 4″ channel cross stringers. 8″ x 8″ Tubing extendible front tongue w/ heavy reinforcement at insertion point, removable stop and (3) adjustment positions – – 0”/54”/108”. 3″ x 8″ Dual rear telescoping section w/ (2) adjustment positions – 0”/60”. (6) Full width, stationary steel 6″ x 20#/ft Ibeam bolsters equipped with protective poly wear pads.
