Premium Material: Made of high-strength zinc alloy, sturdy and durable, easy to grip and has a long service life. It is a sturdy and durable practical tool that you can use for a long time. It can be hung on the key ring and carried anywhere. Multifunctional Use This 4-way multifunctional universal key is durable and sturdy. High-precision openings that fit standard meter locks and commonly used meter doors. It is functional and can be used according to size and shape. Easy to Use Sufficient leverage thanks to always two support points when rotating. Makes rotation easier and improves work efficiency. Designed for electrical cabinets and barrier systems in gas, water and electricity supply. Easy to Carry: The crossing key is lightweight. With its compact size and lightweight body, you can carry it with you. Can be used as an adjustable wrench. This allows you to open toolbox doors and electrical cabinet doors. Particularly suitable for doors and windows in public places. Versatile use: The multi-function wrenches can be used as a practical wrench and turn screws. They are suitable for most water and electricity meters, radiators, gas meters, elevators and electrical cabinets as well as faucets on the market.