The rotary plastic telephone switch is an essential for maintaining the security of fire hydrants and other emergency systems. Its intuitive design allows for in critical situations, ensuring that only authorized personnel can and operate the equipment. The 's plastic construction offers a balance of durability and ease of use. Features -Color:White -Material:Plastic -Size:1.70X1.50X1.50cm/0.67X0.59X0.59in -Swift operation: the rotary design allows for rapid and smooth locking and of telephone systems. -Reliable plastic: made from plastic, this key switch is designed for extended use and durability. -Multiple applications: suitable for a variety of uses, such as telephone locks and fire hydrant reset functions. -Simple installation: easy to install without the need for professional , ensuring and easy setup. -Reset key: comes with keys for easy and secure resetting, providing added security and convenience Package list: 10 x locks 20