About this item【Normal Size】Our faucet socket wrench set includes 2 silver square wrenches. The total length of the electrical cabinet key is 54mm, the outer diameter of the head is 13mm, the square size is 8 x 8mm/0.3 x 0.3 inches, compatible with most square keyholes and common radiators.【Labor-saving Design】The bleed key has a T-shaped design and the handle has a D-shaped design, making it easy to hold and rotate, so you can save more effort during operation and efficiently perform the work. Radiator keys are a small assistant in your life.【Easy to Carry】This multifunctional key is very small, which is lightweight and easy to carry, and can be stored in a work jacket, a tool bag or a small bag. You can also hang the multifunctional key on your keychain, which is extremely practical and convenient.【High-quality Materials】The 8mm square wrench is made of high-quality zinc alloy with a smooth surface, sturdy and durable, not easy to wear and rust, can be used for a long time.