MATERIAL: Alnico 5 pickups and imported copper wire. 3 x 500K potentiometers (1 volume, 2 tone). 4 single pole switches. 1 x output jack. 5-way switch for different styles of tones. Suitable for upgrading any common guitar setup. Accessories: 11 screws included for easy installation. In addition to the original functions, four single-knife switches and an enhancement switch bring new functions. The boost switch is pressed: the neck and bridge pickups operate simultaneously. In the second position, the neck and center pickups work together. Boost switch pressed: neck, center, and bridge pickups operate simultaneously. If the single cutter does not produce a good sound, use the compensation switch.