These cage trolleys are lockable and has the capability of having 3 shelf levels as pictured The base folds up for compact storage which is great if you have multiple trolleys so they can be stored in a compact area Quality lockable castors for smooth and effortless moving These trolleys come with a removable bar at the front which when removed the doors can be opened and sides folded in Comes with signboard area on the side Rubber castors - 2 x swivel, 2 x swivel with brakes Quality powder xcoated matt black finish Base Height: 230mm Distances Between Shelves: 360, 330, 330, 350mm (bottom to top) Load Capacity: 500kg Castors: 150mm Shelf Size (LxW): 855x595mm Overall Size: 870x680x1700mm Unit Weight: 56kg