Unit comes with base shelf but can hold a further 3 shelves (optional extras).The shelves can be placed at 630 / 1050 & 1440 heights.Mobile on 2 fixed & 2 swivel braked 200mm rubber castors.Lockable doors.30kg load capacity per shelf.500kg maximum load capacity.Size (L x W x H mm): 1270 x 750 x 1790