High-quality materials: The main key is made of high-quality zinc alloy, which has good stability, anti-corrosion and anti-rust, high strength and durability. Electroplating process: the surface of the cross-shaped key multifunctional is electroplated to improve wear resistance and corrosion resistance, making it smoother and more beautiful. 4-way multifunction: contains 4 shape instrument keys, 2 squares of different sizes, 1 triangle and 1 full square knob of different sizes. Easy to carry: The cross wrench is small and light, easy to carry, and can work anytime and anywhere.The product is equipped with a two-blade screwdriver to finish the job faster. Wide range of applications: the zinc alloy cross is suitable for most water and electricity meters, radiators, gas meters, elevators and control cabinets on the market . Please make sure the size matches the device before purchasing. describe: Are you still worried about the gas meter, water meter and heater keys being lost suddenly?What if I need to open the key at work but can't find it? The 4-in-1 universal key solves your troubles perfectly. electricity, gas meters, control cabinets and market elevators. Product specifications: Name: 4-way multi-function keys Material: zinc alloy Process: surface electrolytic silver Weight: 83 grams Product packaging: 1 x 4 multi-function wrench 1x screwdriver Notice: The product is suitable for most related equipment in the market, please confirm the match of size for special size equipment before purchasing. If you have any questions or suggestions about this product, you can contact us by email, we will get back to you as soon as possible within 24 hours, thank you for your attention.