This 4-piece magnetic toolbox shelf is equipped with 4 highly functionable and practical features. Set includes: 6" rectangle tray, 12" rectangle tray, 2-piece paper towel holder, 3 spray can holder with 7 screwdriver holes. This magnetic storage set features extra strong rubber coated magnets allowing you to mount these tool organizers securely onto any magnetic metal surface. Perfect for the inside of a work van as there is no need for any drilling, also awesome for mounting on the side of your wheeled portable tool chest. The Magnetic Toolbox Trays is made of high quality stainless steel with a black coating to prevent rust and corrosion resistance for long term storage. The back of the Toolbox Organizer is fitted with powerful rubber-coated magnets, easily attaches to any metal surface without leaving behind scratches or damage.