The Sledgehammer series is a new lineup of guitar/bass tuners that joins korg's family of clip-on tuners. These tuners can be attached directly to your instrument for convenient tuning. The Sledgehammer Pro provides ultra-precise tuning with an accuracy of /- 0.1 cents, making it one of the most reliable clip-on tuners ever produced! The beautiful three dimensional display offers unparalleled visibility, allowing you to tune confidently in any situation. Its tubular body has a shuttle switch that's simple to use and allows you to easily operate the tuner with just one hand, even while performing. Offering both extreme accuracy and a unique, highly visible display, the Sledgehammer Pro is the ideal clip-on Tuner for professional guitarists and bassists.