The Pure Tone Mono Multi-Contact 1/4" Output Jack is a versatile jack designed to fit a variety of guitars including acoustic, electric, bass, and classical guitars. Made by Puretone, this nickel jack is suitable for use on acoustic guitars, cigar box guitars, lap and pedal steel guitars, acoustic electric guitars, electric guitars, bass guitars, travel guitars, and classical guitars. Its multi-contact design ensures a secure and reliable connection for optimal sound quality and performance. Ideal for musicians looking to upgrade or replace their current output jack for improved tone and functionality.