Description:Fine Material: The guitar string tuning pegs is of good quality plastic made, which is firm, durable and lightweight for us to use. Stylish: The guitar tuner is designed to unique and stylish, which can give your music instrument a fashionable fresh new look. Different Colors: The guitar machine head is designed with many colors like black and blue that you can choose from to match your guitar. Convenience: Within the package there are 6 pieces installing screws and other accessories that can help us to install the tuners easily.6 Pieces: There are 6 pieces pegs that can be used at the same time and you can also keep some for spare use according to your actual need. Specification:Material: Plastic.Color: Black, Silver, Golden.Size: Shown as Picture.Width: Approx. 16.5mm/0.65inch. Installing Hole: Approx. 3-4mm/0.12-0.16inch. Note:There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes:6 Pieces Guitar String Tuning Pegs(with 6 Pieces Installing Screws, 6 Pieces White Installing Pipe, 6 Pieces Black Installing Ring).