Material: This silver utility key with cross-shaped design is made of high quality zinc alloy, which is sturdy and durable and can be used for a long time. Multifunctional: the counter key has 4 shapes, including 2 square, 1 triangle and 1 key shape, as shown in the picture, the functional and practical can be applied according to the size and shape. It is convenient for you to take it with you or put it in your bag, please make sure it is compatible with your device before purchasing. Wide range of uses: the multifunction key can be used as a handy wrench and screwdriver, suitable for many electric, water, gas valves, trains, cabinets, elevators, etc. Warm Tips: This utility wrench is not suitable for any type of radiator, please ensure that its size matches your device before purchasing.