Material: This silver utility key is designed with good quality zinc alloy cross shape, it is sturdy and durable, you can use it for a long time Multi-function: Utility meter knob has 4 shapes, including 2 square, 1 triangle and 1 button shape pictured, it is functional and can be used as long as size and shape depends Dimensions: 4 way utility button is 7.2 x 7, 2 x 1.4cm; perfect size for you to carry it in your hand or put it in your pocket Wide application: the multi-function knobs can be used as a handy wrench and turn screws, suitable for many electric valves, water, gas, train, cabinet, elevator, etc. Note: the wrong key is not suitable for one type of radiator. Please make sure the size fits your device before purchasing Product Color: Silver Shipping Quantity: One piece