Cantilever Carts  Portable Cantilever Cart for storage of bar stock type items. Each cart includes three pairs of arms. Arm height is adjustable in 6" increments. Arms are secured to cart with a bolt and nut.  Height of lowest arm position is 9-3/8" while the highest position is 51-1/4". The 8" high base includes built in fork pockets that are 5½"W x 2"H. Units roll on (2) rigid and (2) locking swivel 6" x 2" casters. All steel construction with blue powder-coat finish.  Specs: Overall Size 30" x 48" x 63", 36" x 48" x 63", and 30"  x 60" x 63, Uniform Cap. 2000lbs, Uniform Cap Per Level 400lbs.