Choose a Barton Black 3 Shelf Standard Plastic Trolley for a robust and capable trolley system ideal for workshops, garages, caterers and general everyday use The strong aluminium uprights sit on four rubber castors for maximum stability Each shelf is made of hard wearing plastic with a ribbed surface to ensure carried items are kept secure The four castors swivel freely for ease of movement and the rear two wheels feature brakes to keep the trolley secure when parked