High-quality material: convenient multi-functional 4-way wrench, cross-shaped design, made of high-quality zinc alloy, spray-painted surface, electro-polishing, not easy to rust, durable. Multifunctional: The multifunctional triangular wrench has 4 shapes and multiple functions to choose from, including 1 square, 2 triangles and 1 button shape, which are fully functional to meet your different needs. Take it with you: the Electrical cabinet key is small and light, suitable for carrying or putting in your pocket. There is a hole in the middle of the cross key for hanging a keychain, which is convenient for carrying. Wide range of applications: the master key can be used for electricity, water, gas, cabinets, elevators, electrical control cabinets, valves, etc. Please make sure the size matches your device before purchasing.