Product Features: Material: The electrical cabinet key is made of zinc alloy, strong and durable, not easy to break, has a long service life and can be used for a long time. 4-way 5 sizes: The triangle key has 5 triangular sizes. 5 inner triangle keys of different sizes can be used with 99% of the triangular locks, triangular valves and triangular screws available on the market. It is functional and can be used according to size and shape. Widely used: The multi-function knobs can be used as a wrench to turn screws and are suitable for various valves such as electricity, water, gas, trains, cabinets and elevators. Multi-function: The water key can open many things, as long as it matches its size and shape, it is multi-functional and can also be used as a wrench to turn screws. Easy to carry: Suitable size, you can carry it with you or put it in your pocket. There is a hole in the middle of the key, which allows you to easily hang it on the keychain and carry it easily.