Transports and stores materials safely and efficiently holding up to 200 lbs. per shelf. Shelves conveniently adjust in 1" increments. Rolls smoothly on four swivel casters. Plastic liners for each shelf help prevent contents from being damaged. Color: Black; Capacity (Weight): 600 lbs.; Caster/Glide/Wheel: Four 3" Swivel Casters; Material: Steel.