Item Type: Locking String Tuning Peg_x005F_x000D_Material: Metal_x005F_x000D_Size: Approx. 4cm / 1.57in 1Extensive Use: This locking string tuning peg can be used on electric or acoustic guitars to secure strings and prevent runs. 2Complete Set: The guitar tuner pegs are made of reliable zinc alloy and come complete with screws, bushings and ferrule for easy installation and removal. 3Excellent Tuning Stability: The fully enclosed locking tuner provides maximum tuning stability and is a nice replacement for old, broken pegs. 4Chrome Plated Finish: This locking string tuning peg is chrome plated on the surface for long lasting durability. 5Enhance The Playing Experience: With these tuning pegs, you can quickly tune your guitar strings. These pegs hold the strings tightly, keeping the guitar in tune and enhancing the enjoyment of playing.