Open knob makes it easy to disassemble and install.Featuring with electroplating, rust resistance, and durability, it is practical and sturdy.Both the main body and the button head are made of metal, which can be adsorbed by magnets.The length of the product is 16cm, the width is 4.1cm, and the thickness is 3.5cm.It is suitable for electric guitar.Item Name: Guitar Tuning KeyMaterial: MetalFeatures: 12-string, Electroplating, Anti-rust, Guitar AccessoriesColor: Silver+GoldenSize Details: 16cm x 4.1cm x 3.5cm/6.30" x 1.61" x 1.38" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Guitar Tuning Keys12 x Nuts14 x Screws<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store