1,With these open tuning pegs, you can quickly and accurately adjust the guitar strings, very easy. 2,Including 3 left tuning pegs and 3 right tuning pegs, meeting your various guitar tuning needs. 3,The metal tuning head set suits perfectly for both acoustic and electric guitars, very practical. 4,The gears can hold steadily, and don't slip or loosen the strings, causing the tone to change. 5,Made of metal, has heavy-duty internal gear, single-span steel column, and oval handle head. Item Type: Guitar String Tuning Peg Material: Large Zinc Alloy Semicircular Shank and A3 Steel Plate and Easy-Cutting Iron Pillar and Copper Gear Gear Ratio: 1:18 Features: Divided into left and right. 6 x Guitar String Tuning Peg 6 x Ferrule 12 x Screw 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.