This bundle includes five guitar tuners from different brands such as Korg, Borg, and Sabine. The tuners are designed to help musicians tune their guitars quickly and accurately. Each tuner has its own unique features and design, making them suitable for different musicians' needs. The Korg GT-3, Borg Tuner, and Sabine Zip-700 are all highly regarded in the music industry. Additionally, this bundle includes two Qwik Time tm. tuners. Whether you're a professional musician or just starting out, these tuners are a great investment.