The switch is divided into four separate circuits, or poles, and each pole has six lugs. Lug 0 is the common which is connected to other lugs depending on the lever's position. Lug #1 = position 1, Lug #2 = position 2, etc.
This product would be ideal for those looking to upgrade their Strat electric guitar setup with a convenient and feature-packed 5-way lever switch.