Multifunction: The triangle cross wrench is a universal 4-way multi-function cross wrench. It is a practical tool for plumbers, electricians, etc. Premium Material: Made of zinc alloy with electrolytic polishing surface, it is sturdy and durable, you can use it for a long time. Durable Design: Designed for control cabinets and locking systems in the gas, water, and electricity sectors, it is compact and lightweight and can be hung on a key ring for easy carrying. Perfect Cross Key: Durable and excellent workmanship, no geographical restrictions, it can open as long as it is consistent with the size and shape. Widely Uses: The multifunctional keys can be used as a practical wrench, screwdriver, suitable for many valves of electricity, water, gas, train, cabinet, elevator, etc.