High-quality craftwork and fine testing. Material: Durable hard acrylic, ABS, and steel. Anti-rust, anti-corrosion, with high performance in stability and durability. Package Includes: 6 x Guitar Tuning Pegs (3R + 3L) for Folk Acoustic Electric Guitar, Tuner Guitar Parts Universal Size: Guitar string tuning pegs, machine head tuners. These guitar tuning pegs are a great replacement for old or broken tuning pegs and fit most acoustic and electric guitars. Instructions: Insert the string through the hole, tighten the locking thumb wheel, and tune the string. (Note: The locking thumb wheel cannot be pulled out completely.) Keeps your guitar in tune and simplifies tuning. These machine heads are ideal for repair and maintenance. Stable Sound: Easy to install and allows tight tuning for stable sound performance. Features: - Universal size guitar tuning pegs, machine head tuners, compatible with electric and acoustic guitars - Made of high-quality zinc alloy metal - 6 pieces (3 left + 3 right) - 3 tuners per side - Includes mounting screws Specifications: - Machine heads: 3L + 3R - Quality machine heads - Material: Zinc alloy - Color: Silver Package Includes: 6 x Tuner Machine Head (3 for Left + 3 for Right)