Material: This black utility wrench is designed in cross shape, made of good quality zinc alloy, sturdy and durable, you can apply it for a long time. rust and extend the life of the key. Multiple functions: The 4 shape utility meter key, including 2 square shape, 1 triangle shape and 1 key shape shown in the picture, it is functional and can be applied as long as you follow the size and shape. Wide Application: Multifunctional wrenches can serve as a convenient wrench and turn screws, suitable for many electric, water, gas, train, cabinet, elevator and other valves, one key for multiple purposes, easy to receive. Warm Notice: This utility key is not suitable for some types of radiators, please make sure the size fits your device before purchasing. Product Description 4 Way Key-Radiator Purge Key, Utility Key Electric Box Gas Meter Key for, Utility Key Panel Multi-Function Key Electrical Cabinet Key(Black)