These are great accessories for guitar enthusiasts. The guitar head button gears are in concise and simple design, elegant and beautiful, professional for your guitar. Made of metal materials, it is sturdy and safe, which can meet your needs for guitar tuning. Features -Color:Golden -Material:Metal -Size:1.00X1.00X0.60cm/0.39X0.39X0.24in - Gear for hexagonal form, is large, accurate tuning can be achieved and the control is very good. - For the quick and precise tuning, which is reliable and professional, suitable for both professional and beginners. - Metal material to ensure lasting -term use. Professional guitar instrument tuning parts. They are small and lightweight, easy to use. - The guitar tuning head buttons are easy to install and convenient to use, can be both suitable for beginners and professionals. - Fine workmanship, high hardness, not easy to deform or break, you can use rest assured. Package list: 12 x tuning peg gears