The semiclosed guitar machine heads tuning pegs are designed for acoustic， folk and classical guitar. Tuning pegs tuners help you to get the standard turning or your desired turning for an excellent music show.Features:Set of 6 quality zinc alloy machine heads for acoustic guitars (3L + 3R).High quality semiclosed machine heads.Heavy duty internal gear. Suitable for guitar practice and excellent show.Extremely durable， small and portable design， easy storage.Specifications:Material: Zinc AlloyColour: Silver Machine Heads Size: 4 * 3.5 * 3.5cm / 1.6 * 1.4 * 1.4inFerrule Diameter: 1.2cm / 0.5inScrew Length: 1.2cm / 0.5inItem Weight: 130g / 4.6ozPackage Size: 12 * 6 * 3.5cm / 4.7 * 2.4 * 1.4inPackage Weight: 132g/ 4.7ozPackage Lists:6 * Guitar Machine Heads (Semiclosed 3L + 3R)6 * Ferrules12 * Screws