Mad Hatter Guitar Products SVST-C3T Solderless Tone Shaping System Single-Volume Single-Tone Complete Kit with 3-Way Toggle Switch Complete solder less design for easy installation Specially designed, and exclusive to Mad Hatter Guitar Products, CTS Dual Value Potentiometer for improved tone and operation Mad Hatter Solder less Single Volume Board allows easy connectivity and switching control of the CTS Dual Value Potentiometer from 500k to 250k to achieve the best tone for your instrument Switchcraft Toggle Switch for improved tone and operation Switchcraft Output Jack for quality operation and reliability