This Metaltech mini folding aluminum scaffold features a substantial 600-lb. capacity, yet is lightweight and easy to transport and handle. It folds down to only 6in.D when not in use, greatly simplifying storage. Contains two sets of blue antislip platforms for a multi-level working area. Rugged aircraft-grade aluminum alloy construction with 4in. swivel casters with double lock brakes and threaded stem. Caster Size (in.): 4, Caster Type: Swivel, Color: Blue, Dimensions W x D x H (in.): 42 1/2 x 21 1/2 x 48 1/4, Capacity (lbs.): 600, Material Type: Aircraft grade aluminum alloy 6061-T6, Platform Height (in.): 21 1/2, Platform Material: 16 ga. steel, Hardware Type: Scaffold unit, Finish Type: Thermosetting polyester