All welded construction (except casters). 12 gauge flush bottom pan, and 12 gauge caster mounts. 1" tubular frame with 1-1/4" x 1/8" thick angle holders. Bolt on 5" urethane casters, all swivel. Clearance between tub holders - 10". Overall height - 72". Tubs - 25-1/8" D x 16" W x