Features: Make of alloy, not easy to break, has a long service life and can be used for a long time. Different sizes can be used with most of triangle locks, and triangle screws available. The multifunctional buttons can be used as a wrench for turning screws and is suitable for electricity, water, gas, train, cabinets and elevator. Can open many things, as long as it matching its size and shape, it is multifunctional and can also be used as a wrench for turning screws. Pocket size, you can take it with you wherever. Specifications: Component: Alloy Color: Black/Silver Size: about. 2.79in Package Includes: 1pc Wrench Key note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.