This 4-way utility key features four control sockets, making it suitable for a wide range of indoor and outdoor tasks. Measuring 2.8 x 2.8 x 0.5 inches, it integrates flathead and Phillips screwdriver functions for convenient portability. Crafted from durable zinc alloy, it is built to last and ideal for emergency use. It is equipped with triangular, square, and round sockets, allowing it to operate equipment such as trains, vehicles, elevators, subways, and control cabinets. Please verify compatibility before purchasing. Weight: 0.99 lbs.