Quality Material: The meter key is made of high-quality zinc alloy, offering good stability, corrosion resistance, rust resistance, high strength, and durability. Electroplating Process: The surface of the 4-way meter key is treated with an electroplating process to enhance wear resistance, corrosion resistance, and provide a smooth, attractive finish. 4-Way Multifunction: The utility key includes four meter key shapes: two different-sized square keys, one triangle key, and one full square key in varying sizes. Easy to Carry: The 4-way key is compact and lightweight, making it easy to carry for use anytime and anywhere. The product includes a dual-head screwdriver to help complete tasks more efficiently. Wide Application: Suitable for most water and electricity meters, radiators, gas meters, lifts, and control cabinets available on the market. Please ensure the size matches your equipment before purchasing.