[High Quality Material]: The utility key is cross-shaped, made of high quality zinc alloy, strong and durable. [4 shapes]: The metal cross key includes 2 square utility keys, 1 triangular water meter key and 1 key shaped gas meter key. [Easy to carry]: It is appropriately sized and can be carried by hand or in a bag. There is a hole in the middle of the cross key, which can be hung on the key ring for easy carrying. [Wide range of applications]: The multi-functional knob can be used as a convenient key to tighten screws and suitable for valves such as electricity, water, gas, trains, cabinets, elevators, etc. [Tips]: This utility key is not applicable to certain types of heaters. Please make sure the size matches your device before purchasing. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference of light and display, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main image)