Size: The size of the convenient 4-way Phillips key is 72.22mm x 72.33mm, which is portable and compact, and can be carried in a backpack when needed. Material: Our adjustable wrench is designed as a practical four-way cross wrench, made of high-quality zinc alloy, which can achieve a durable effect for long-term use. The outer layer of the key is coated with black paint, which is not easy to rust and age, you can use it with confidence Multifunction: There are four product shapes, one triangle, one key, two squares, which are widely used and not unique. Just use it according to your size and shape. Usage: Multifunctional and convenient buttons are suitable for various life scenarios, such as: elevators, cabinets, water, electricity, gas and other valves. One-click versatility