Description This ukulele tuning machine heads is made of strong metal with finish, the tuning pegs are great for fixing strings and improving the sound of strings. The set comes with 4 pcs nuts, and 8 pcs screws, easy to install. Essential instrument parts replacement for ukulele. Feature - Color: As shown.- Material: Metal.- Size: Approx. 4.05 x 2.2 x 2.3 cm.- Great for ukulele tuning and adjusting the tone of strings.- Set of sealed 2 left and 2 right machine heads- Made of strong metal with finish. Amber plastic button looks very exquisite and vintage.- Comes with 4 pcs nuts and 8 pcs screws for easy installation.- replacement for the old, worn or broken tuning pegs for ukuleles.Packing list: 4 x Nut4 x Tuning Pegs8 x Screws