【Package Includes】This set includes 4 meter box keys and 4 keychains. Each key measures 5.36x4x1.3 cm (2.11x1.57x0.51 inch) and each keychain measures 4.75x2.2x0.35 cm (1.87x0.86x0.13 inch). 【Durable Material】Made from high-quality aluminium alloy, these meter box keys are sturdy, rust-resistant, and built to last, ensuring reliable performance for years to come. 【Universal Fit】Designed to fit most triangular keyholes, these metal triangular keys are ideal for gas, water, and electric meter boxes, as well as cabinets and enclosures, offering versatility and convenience. 【Easy to Use】The T-shaped design with a D-shaped handle allows for a comfortable grip, making it easy to turn and unlock various meter boxes and cabinets. 【Portable and Convenient】Each socket spanner key comes with a keychain, making it easy to carry and store. The compact size ensures they can be easily attached to your keyring, belt loop, or bag., Manufacturer: Makoto Nobu