Ukulele Rod Piezo, Volume Pot & Standard Output Jack Harness - No Soldering Required, Great for Cigar Box Guitars! Ukulele-size rod piezo makes a great acoustic pickup Volume potentiometer allows fine-tuning at the instrument No soldering required - just mount, plug and play! Great for Ukuleles, Cigar Box Guitars, Tenor Guitars, Tenor Banjos & more Long-shaft Neutrik Mono Output jack