The Gratnells storage system is unique and designed for the organisation of all types of school equipment and the enormous range of science materials and equipment that need storing. Manufactured from square steel tubes with slots at 25mm intervals to take trays. The trolleys have 80mm castors and are ideal when transporting equipment around the room. Metal runners are required and sold separately but are adjustable and can accommodate our range of super-tough trays.Supplied flat packed for self assembly.Please note: Trays and runners are sold separately.Size: W710 x D420mm.This product can hold up to 12 Shallow traysComes with heavy duty castors.