Feature: 1. Professional sealed tuning peg machine heads for electric acoustic guitar. 2. 3L3R 6 Pieces: set of 6pcs guitar string tuning pegs, 3 left and 3 right. 3. Good Quality: made of A3 steel plate, alloy, iron strong, and copper gear. 4. Easy to Install: mounting screws and nuts, washers are included. 5. Stable Tuners: holding the strings in place and keeping the strings in tune. Specification: Features: Professional sealed tuning peg machine heads for electric acoustic guitar. 3L3R 6 Pieces: set of 6pcs guitar string tuning pegs, 3 left and 3 right. Good Quality: made of A3 steel plate, alloy, iron strong, and copper gear. Easy to Install: mounting screws and nuts, washers are included. Stable Tuners: holding the strings in place and keeping the strings in tune. Specifications: Color: Black / Gold / Silver (Optional) Material: Iron+zinc alloy Item Size: 100 * 50 * 30mm / 3.94 * 1.97 * 1.18in Item Weight: 170g / 5.60oz Package Weight: 190g / 6.70oz Package Size: 13 * 10 * 6cm / 5.12 * 3.94 * 2.36in Packing List: 6 * Guitar String Tuning Pegs Package List: 6 * Guitar String Tuning Pegs