4-Way 5-Key Triangle 7-18mm, Universal Square Key for Electric Gas Water Meter Cabinet Box

4 ways, 5 sizes: The triangular key has 5 different sized triangles. These 5 internal triangular keys of varying sizes can be used with 99% of triangular locks, triangular valves, and triangular screws on the market. It is functional and can be applied according to size and shape. Material: The universal utility model key is cross-shaped, made of high-quality zinc alloy, strong, durable, and difficult to break, ensuring long-term use. Easy to carry: The conveniently sized triangular key is easy to carry with you or put in your bag. There is a hole in the middle of the cross wrench, allowing you to easily attach it to a keychain and carry it conveniently. Widely used: The triangular wrench can be used as a box-end wrench and can also be used to tighten screws, suitable for valves of various shapes, trains, cabinets, elevators, water and gas valves, and more. Multifunctional: The universal wrench can open many things; as long as its size and shape match, it is multifunctional and can also be used as a wrench for turning screws.