With a diameter of 230mm the MPTC2 is a collapsible magnetic-parts tray ideal for holding your nuts, bolts & screws, which is suitable for use in a garage workshop enviornment. The tray is designed with a rubber-encased magnetic base, allowing it to hold itself firmly to any ferrous metal surface & ensures your parts stay in place during any service or repair. Please note that illustrated tools & fasteners are not included