Adjustable 3 String Guitar Hard-tail Bridge Tailpiece for Cigar Box Hard-tail bridges are pieces of hardware often seen on solid-body electric guitars. They combine bridges and saddles in such a way that the intonation and string action (height over the fretboard) can easily be adjusted post-install. This is a Perfect Bridge for a 3-String Cigar Box or solid-body electric guitar. Designed to be mounted directly to the top of your guitar and boasts three fully adjustable saddles so you can tweak the intonation of each string. It is also a significant advantage over timber bridges when building electric guitars as it becomes a place to earth all the electronic removing some hum associated with some pickups. 3 String Hard-tail Bridges Although they are best known for use on solid body electrics, hard-tail bridges also work great for cigar box guitars. There are now 3 string varieties available, which make them even more suitable for electric cigar box guitars that have magnetic pickups. Adjustable bridges for cigar box guitars Great replacement for your broken, old or dirty bridge. Mounting screws and Allen wrench included. 1 Piece Bridge,1 Piece Wrench,4 Pieces Screws