Unique, high-visibility 3D visual meter display\n\nUltra-precise clip-on tuner\n\nThe 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.\n\nThe 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.\n\n“Custom Shop,” the mark of ultimate quality\nKORG tuners have a 40-year history that began with the world’s first needle-style tuner. While we have produced many different types of tuners, including tuners with unrivaled precision and tuners with epoch-making functionality, these products were made possible by KORG’s unwavering commitment to quality. In other words, our attitude of sincerely listening to the voice of the user, our revolutionary ideas, and our high level of technological ability are what underlie the long history of KORG tuners.\n\nNow, KORG announces a new lineup aimed at achieving even greater accomplishments. The name “Custom Shop” designates this tuner as a flagship model that is representative of KORG’s highest levels of technology. Its design features a beautiful meter displayed by a CMD panel, ultra-precision detection, and careful attention paid to appearance and feel. KORG’s high technological ability and commitment to quality have taken shape as the “Custom Shop” name.\n\nEasily operated shuttle switch\nWith its high-impact tubular design, the Sledgehammer Pro features a significant change in operability compared to previous clip-on tuners. Since a shuttle switch is provided on both sides, you can easily operate the tuner with one hand while playing a string with the other, just like you would when turning a tuning peg. By simply by turning the switch slightly up or down you can turn the power on/off, switch modes, and adjust the calibration smoothly with just one hand.\n\nUltra-high tuning accuracy of ±0.1 cents\nDesigned with the professional user in mind, Korg’s Sledgehammer Pro offers extremely accurate tuning with a detection range of ±0.1 cents, a level of precision that is uncommon of clip-on tuners. With the Sledgehammer Pro, players of all styles can now enjoy the same ultra-high precision offered in Korg’s flagship tuner, the Pitchblack Pro.\n\n3D visual meter provides revolutionary visibility\nThe Sledgehammer Pro’s unique 3D visual meter display, originally developed for the Pitchblack Pro, provides unparalleled brightness making it easier to take advantage of the Sledgehammer Pro’s precise tuning.\n\nThree meter display modes\nThree types of display modes are offered: Regular, Strobe, and Half Strobe. Each mode can be easily selected according to the user’s preference. Strobe and Half Strobe mode reflect the extreme precision of the Sledgehammer Pro, making it more convenient to tune accurately.\n\nA clip mechanism that provides strong holding power as well as flexibility\nThe clip is designed to make the connection with your instrument as efficient as possible, ensuring a firm grasp. The Sledgehammer Pro firmly adheres to a variety of guitar and bass headstocks. Even if you move around actively while performing, there's no danger that vibration or weight will cause the tuner to shift.\n\nThe double mechanism of a movable arm and ball joint simultaneously provide both durability and a free range of angle settings. Players have the flexibility to position the tuner wherever they need, and the confidence that it will stay in that position.\n\nCalibration, auto power-off, and memory backup functions\nA variety of functions are available to support your various tuning endeavors: the calibration function allows for a variety of concert tunings, the auto power-off function saves the battery if you forget to turn the unit off, and the memory backup function preserves your settings, even when the power is off.