Keep loose nuts, screws and other small metal items in reach. Smooth, heavy gauge stainless steel trays have powerful ceramic magnets with rubber covers in the base to secure them to a metal toolbox or table. Store metal parts and tools during assembly and disassembly. Ideal for mechanics, craftsmen and hobbyists. Works in any position – flat, sideways or upside down. Round shape. Size 6.5” wide x 1.75” high x 6” deep.