Set of 4 quality Ukulele Strings Tuning Pegs The central peg is made of steel This is specifically sold as Ukulele tuning pegs but could equally be used for various other instruments A small screw at the top is used to adjust the pressure Color: black,Size: 4.3cm X 2cm(approx),Weight: 23g 100% Brand new and high quality Set of 4 quality Ukulele Strings Tuning Pegs The central peg is made of steel This is specifically sold as Ukulele tuning pegs but could equally be used for various other instruments A small screw at the top is used to adjust the pressure Color: black Size: 4.3cm X 2cm(approx) Weight: 23g