Heavy duty wire mesh cage, great for storage on or off the jobsite. Door frames made of square tubing; much sturdier than the competition. Lockable doors for added security. Removable steel shelves that will also slide out for easy access to product. Heavy duty casters (2 swivel, 2 fixed). Load capacity 1,500 lbs. Height 60.5" Length 54" Width 31". Durable powder coated finish.