Bigsby B700 Vibrato Kit for Arched Top Guitars Chrome

The Bigsby® vibrato tailpiece is a type of vibrato device for electric guitars.
The top mount allows musicians to bend the pitch of notes or entire chords with their pick hand for various effects. The Bigsby Vibrato was the first successful design of what is now called a whammy bar or tremolo arm, although vibrato is technically the correct term for the musical effect it produces