This item is a set of guitar tuning peg buttons for classical guitar. Made of strong plastic, the button are great for fixing strings and improving the sound of strings. The set comes with 12 pcs ferrules, and 6 pcs screws, easy to install. Essential instrument parts replacement for acoustic guitars. Feature - Color: As shown. - Material: Plastic. - Size: 2.3 x 1.8 x 0.3/0.9 x 0.71 x 0.12 inch. - replacement for the old, worn or broken tuning peg knobs for acoustic guitars. - Exquisite and for your guitar machine head tuning peg. - Excellent workmanship, polished and wonderful appearance. - Universal guitar tuning pegs buttons. - Comes with 6 pcs white ferrules, 6 pcs black ferrules and 6 pcs screws for easy installation.Package List6 x Guitar Machine Head Buttons 6 x White Ferrules 6 x Black Ferrules 6 x Screws