Model 99TC - Bar cradle trucks, used in pairs to accommodate any length of bar, pipe, or flat material. Capacity - 4,000 Lbs. evenly distributed. Product Features: All welded construction (except casters). 1-1/2" x 3/16" thick angle frame construction with 12 gauge caster mounts. Cradle 22"w x 14"h. Bed height - 20". Overall height - 34". 6" x 2" Phenolic swivel casters (bolted on for ease of replacement). Powder coated gray finish. (1940,1941)