• Key made of high-quality galvanized steel, resistant to corrosion and wear, ensuring long durability. • The square profile makes it compatible with most cabinets and doors for gas, water, and electricity. • Versatile use: suitable for a wide range of iron or sheet metal doors with a square profile lock, ideal for both home and professional use. • Easy handling: does not require special instructions and features a hole to use it as a keychain. • Facilitates quick access to gas, water, and electricity meters, allowing fast reading of consumption by maintenance technicians and domestic users.