This item is a set of 6 pieces of sealed guitar tuning pegs machine heads, which are adopted with strong metal with great endurance and practicability. The pegs are used to fix strings and improve the sound of strings. The set comes with 6 pcs ferrules, 6 pcs threaded bushings and 6 pcs screws, easy to install. Professional design, manufacturing process ensure practical use and elegant appearance. instrument parts for electic guitars. Feature - Color: Black - Product material: Zinc alloy - Half round peg widt: Approx. 17.5mm - Headstock Shaft diameter: About 9.8mm - Suitable instruments: / / electric guitar, etc. - Set of 6 pieces of sealed guitar tuning pegs machine heads, 3 pieces Left hand type guitar machine heads and 3 pieces right type. - Strong metal body ensures great endurance and practicability. - Mainly used to fix strings and improve the sound of strings. - 6 pcs ferrules, 6 pcs threaded bushings and 6 pcs screws are included for easy installation. No extra tools required. - Essential replacement for the old, worn or broken tuning pegs for electic guitars. Package list: 6 x Machine head 6 x Ferrules 6 x Screws 6 x Threaded bushing