4-Way Multifunctional Key, Convenient Universal Cabinet Key, Universal Cross Key for Water and Electric Meters, Radiators, Gas Meters, Elevators (Silver) High-Quality Material: Universal keys are made of high-quality zinc alloy, which has good stability, corrosion and rust prevention, high strength, and durability. Electroplating Process: The surface of the multifunctional cross key is treated by electroplating to improve wear resistance, corrosion resistance, and a more uniform and beautiful finish. 4-Way Multifunction: Contains instrument keys in 4 shapes, 2 squares of different sizes, 1 triangle, 1 solid square buttons of different sizes. Easy to Carry: The cross key wrench is small and lightweight, easy to carry, work anytime and anywhere, and the product is equipped with a two-form screwdriver, which can complete the job faster. Wide Application: The cross zinc alloy is suitable for most water and electric meters, heaters, gas meters, elevators, and control cabinets on the market. Please ensure the size matches the equipment before purchasing. Note: Data is all measured manually, please allow 1-3 cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.