The locking are designed for both electric and acoustic guitars. These self-locking tuning pegs ensure your guitar strings stay in tune for longer periods, providing a stable and reliable performance. Suitable for most types of acoustic and electric guitars, these tuning pegs are practical and a great aid for musicians. Features -Color:Silver -Material:Zinc alloy -Size:5.00X4.00X2.00cm/1.97X1.57X0.79in -Easy installation: the guitar tuning pegs are designed for easy installation, ensuring they fit into place without any hassle -Stable tuning: the locking ensure that the guitar strings remain stable during tuning, providing more accurate tuning and professional playability -Enhanced sound stability: these guitar tuning pegs help maintain the stability of your guitar's sound, making them ideal for both acoustic and electric guitars -Secure locking mechanism: the turning peg is firm and reliable, preventing the strings from loosening and ensuring consistent performance -Versatile compatibility: suitable for most types of acoustic and electric guitars, these tuning pegs are practical and a great aid for musicians Package list: 6 x tuning pegs 6 x nuts 6 x gaskets 6 x screws