Keystone 8316 is a single-pole, double-throw (SPDT) toggle switch designed for use in electrical applications. It consists of two plastic levers which can be used to open or close a circuit, thereby connecting two electrical contacts. The levers are securely mounted on a durable plastic panel and feature a locking mechanism for added safety. The body of the switch is also designed for vibration resistance and is availabe in a number of finishes.