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. The organizer tray is perfect for use in garage, workshop, automobile and mechanical stores. A very handy way to add some extra storage space to your work area. Trays can be attached to your toolbox, inside your van, to the side of the vehicle while you work etc. Heavy duty Magnetic Shelves, Caddy and Paper Towel Holder firmly attach to your toolbox, cabinet, locker, or any ferrous surface. Mount to the side of a car or your tool box for portable repairs. Ideal for garages, shops, and workshops. Increases storage space and organizes your equipment. Item Weight：8 pounds Material: Alloy Steel, Rubber Included Components of tool storage trays, : Tools Storage, Tool Organization & Garage Storage, Bucket Tool Organizer one 6" wide tray one 12" wide tray one 3-can tray with holes for screwdrivers and 1 paper towel holder