The silver cross button is made of zinc alloy, which is durable and suitable for long-term use. Universal and practical counter buttons have four shapes including square, triangle and hexagon , which can be used or used depending on size and shape. Convenient to carry, the cross key, there is a small hole in the middle of the cross key, which can be hung on the door - keys for easy transport. The multi-function knob can be used as a key or as a screw for valves such as power supply, water, gas, trains, cabinets and elevators . Delivery quantity: 1 * key