DescriptionThis item is a set of semiclosed style machine heads tuning pegs for 4 string bass and guitar, which are adopted with strong zinc alloy. The pegs are used to fix strings and improve and adjust the sound quality of the instrument. The set comes with 4 pcs guitar tuning machines heads, 4 pcs ferrules and 16 pcs screws, easy to install. Professional design, exquisite manufacturing process and accurate grinding ensurepractical use and elegant appearance.Feature- Color: Silver - Material: Zinc alloy - Peg center holes spacing: 25mm/ 0.98 inch - Overall Size: Approx. 84 x 40 x 45.5 mm (L x W x H) - Set of 4 right tuner heads, vintage open style bass tuners. In R4 configuration for right handed basses. - Strong metal body ensures great endurance and practicability. - Mainly used to fix strings, improve and adjust the sound quality of the instrument. - 4 pcs ferrules and 16 pcs screws are included for easy installation. - Essential parts to replace the old, worn or broken tuning pegs for 4 string bass and guitar.