... fire-proof 3.Enclosure can be customized High Quality Metal Steel Storge Locker Cabinet DimensionAccording to customer's drawing ... dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, ... drilling, grinding, broaching, welding and assembly Other products for reference: High Quality Metal Steel Storge Locker Cabinet