The Vibramate V7 Tailpiece Kit - 1/4" is perfect for guitars that are just a bit too short for the Bigsby vibrato. Compatible with the Bigsby "Original" B7 and B3 models this kit lets you install them on instruments that wouldnt have enough room otherwise. Includes a padded tailpiece optional spacer plate and screws for installation. It does not fit import series B70 B700 or B30 vibratos.