Quality Material: The meter key is made of high quality zinc alloy, which has good stability, corrosion and rust resistance, high strength and durability.Electroplating process: The surface of the 4-way meter key is treated by electroplating process to improve wear resistance, corrosion resistance, and more smooth and beautiful.4-Way Multifunction: The utility key contains 4 shapes of meter keys, 2 different sized squares, 1 triangle and 1 full square keys of different sizes.Easy to Carry: The 4-way key is small and light, easy to carry, work anytime and anywhere, and the product is equipped with a two-shape screwdriver, which can finish the job faster.Wide Application : The product is suitable for most water and electricity meters, radiators, gas meters. az, lifts and control cabinets from the market. Please make sure the size matches the equipment before purchasing.