Features: 1. The locking tuner helps protect the gear from exposure to air, reducing the risk of rust and enhancing durability. 2. These tuning pins allow for convenient and accurate adjustment of guitar strings with ease. 3. The tuning pins securely hold the strings in place, helping the guitar maintain proper tuning for extended playing sessions. 4. Made from premium alloy materials and includes screws for simple installation and removal; provides a secure fit that resists loosening. 5. Includes 6 locking guitar string tuning pegs; compatible with most acoustic and electric guitars, offering practical functionality. Specification: Item Type: Locking Guitar String Tuning Peg Color: Silver Material: Small Alloy Handle + A3 Steel Plate + Free-Cutting Iron Pillar + Copper Gear Handle Width: Approx. 17.5mm / 0.7in Package List: 6 x Locking Guitar String Tuning Peg 6 x Screw