1. [Collapsible Magnetic Parts Tray Set] Magnetic trays come in 3 sizes to fit any job. Strong rubber covered non - marking magnets protect surfaces from scratches. The perfect tool box accessory for holding screws, bolts, nuts, washers, small metal tools and parts, helping you keep your work area neat, clean and organized. 2. [Strong Magnet] The permanent magnets in the tray can stick to any metal surface, even sideways or upside down, ensuring nothing gets lost. Allows you to keep nuts, bolts, tools, sockets and wrenches wherever you need them. Bolt organizer great for DIY, automotive, mechanics, engineers, plumbers, carpenters, machinists, HVAC and more. 3. [Perfect Size&Easy to Clean] Tool tray's dimensions: Small - 5.3 inches x 3.15 inches / Medium: 6.2 x 5.2 inches / Large - 11 inches x 7 inches. The tool organizer is easy to use, easily expanding to 2 inches and folding down to just 0.8 inches. The silicone design wipes clean easily with soap and water. 4. [True Quality] Our magnetic tray for mechanic's is made of high - grade silicone, ensuring high strength, hardness, wear resistance and durability. Thin design enables compactness and easy storage.