The HONEYWELL part 4TL1-8F is a MICRO SWITCHâ„¢ Toggle Switch from the TL Series. It features a 4 Pole Double Throw (4PDT) configuration with 2 positions (Momentary On - On), screw terminals for easy installation, and a locking lever that locks in the extreme position with an opposite keyway. This military-grade switch is built to last with a Military Part Number MS24660-26F, providing reliable performance in demanding environments.