This set of tuning pegs (3L + 3R) are designed for electric or acoustic guitar. Whorl screw on the side makes string much harder to loose when playing.Features:Includes 6 tuning pegs(3L + 3R).Made of metal alloy(chrome plated)， durable and sturdy.Whorl screw makes string much harder to loose when playing.Fits 9-10mm holes.Designed for electric and acoustic guitar.Specification:Material: Metal(chrome plated)Gear material: Copper Quantity: 3L + 3RPackage size: 13 * 9 * 4cm / 5.1 * 3.5 * 1.6inPackage weight: 255g / 9ozPackage List:6 * Tuning Pegs6 * Mounting Screws6 * Ferrules6 * Threaded Bushings