12" x 12" Magna Panel is the newest magnetic tool organization product! Designed by mechanics for mechanics, it tightly grips most tools in your toolbox and can be placed on the bottom of a toolbox drawer or on a vertical surface. Magnetic Base holds tools in holder and holder to work surface. Strong enough to hold upside down. Magnetic material is non-transferable. Automotive computer safe. Valuable time saver organizes your tools. Fuel/oil resistant magnetic bases. Fits most tool boxes and drawers.