Keep sockets organized or give yourself a convenient place to store a small selection of tools and parts during a task with the STEELMAN 75108 3-Piece Magnetic Steel Socket Storage and Parts Accessory Tray Set. Each of these durable polypropylene plastic trays is injection molded around a magnetic steel core with a TPR rubber base and sides. The magnetic bases are powerful enough to secure the trays to ferrous metal surfaces at any angle, including upside down. The TPR rubber base helps to protect finished and painted surfaces from scratches and damage. Set includes 6-inch, 12-inch, and 18-inch long trays so you can choose which works best for each task you have. Ideal for use storing loose sockets and keeping them organized as well as holding small tools, miscellaneous parts, screws, bolts, and other fasteners during a project.