The material: this silver utility key is cross-shaped design, made of good quality zinc alloy, sturdy and durable, you can apply it for a long time<br><br>Multi-function : the utility meter button has 4 shapes including 2 square shape, 1 triangle shape and 1 button shape shown in the picture, it is functional and can be used as long as according to the size and shape<br><br>The dimension: the 4-way utility button measures 7.2 x 7.2 x 1.3cm / 2.83 x 2.83 x 0.51inch, the right size for you to carry or hands put it in your pocket<br><br>The wide application: the multi-function knobs can serve as a convenient wrench and turn screws, suitable for many electric, water, gas, train, cabinet valves , elevator, etc.<br><br>Warm note: the wicked key is not suitable for any type of radiator. Before buying, please make sure the size fits your device