A Kyser Quick-Change is expertly engineered and built to last. It is reliable and does just what it is designed to do clearly raise the pitch of the guitar so you can play in a different key without retuning or changing fingering. Seasoned professionals and beginning players alike appreciate how the Kyser Quick-Change helps them transpose their guitar in seconds, with only one hand. The beauty of the Kyser Quick-Change is in its simplicity. Kyser pioneered this design and although often imitated, a Kyser is never equaled. There is no substitute for a Kyser Quick-Change .