1,The tuned guitar strings are not easy to loosen, ensuring stable work of our guitar. 2,Metal body and silver synthetic plastic round head make these locking tuners anti‑rust, anti‑corrosion, stable and durable. 3,Mainly made of durable metal materials, these tuners are very suitable for the tuning of ukulele. 4,These guitar replacement parts are easy to install, and you can replace your old or dirty guitar tuning pegs. 5,There are 5 different models, including 3 left and 3 right, 2 left and 4 right,4 left and 2 right, 6 left, and 6 right. You can choose according to your needs. Item Type: Guitar Tuning Pegs Keys Color: Silver Material: Plastic large square handle and A3 steel plate and easy-cut iron string column and iron gear combination Features: Divided into left and right Scope of Application: Electric acoustic guitar of appropriate size 6 x Tunes 12 x Screws 6 x Gears Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.