Gratnells Lockable Storage Trolley without Trays (Empty) (501GLTEMPTY) Whether you need tray or basket storage, shelving units or mobile trolleys this truly flexible system will give you maximum control and flexibility now and in the future. Gratnells lockable trolleys are ideal for storing and moving items that need to be kept under lock and key. They come complete with 100mm castors. Features and Benefits Supplied without trays / baskets Adjustable runners Includes castors and keys Also available as a set with storage trays Specifications Height: 885mm Width: 540mm Depth: 540mm