The Kluson 3 Per Side Locking Revolution D-Mount Mini Tuners are tuning pegs designed to fit both acoustic and electric guitars. Made by the brand Kluson, these black tuners feature a unique D-mount design for easy installation. They are a compact option compared to traditional tuners, offering a sleek and modern look to your instrument. These tuners can be compared to Grover Mini tuners, providing guitar players with a high-quality alternative for precise tuning adjustments.