1、Plastic Material: The guitar tuning is made of excellent plastic material, which is sturdy and durable and can be used by you 2、Basic Specifications: Guitar tuning has elegant appearance, and the mounting hole size is approximately (L x W) 3mm‑4mm 3、Glazed Appearance: This is a guitar string with glazed appearance, which will not scratch your fingers, is light and durable, and is safe and secure 4、Scope of Application: This is tuning button, which is very suitable for electric guitars, folk classical guitars, etc. 5、Stable Performance: Tuning knob is odorless, sturdy and durable, stable in performance, and long in service life Item Type: Guitar Tuning Pegs Buttons Material: Plastic Colour: Pearl White 12 x Handle 12 x Screw 12 x White Washer 12 x Black Washer