Set of 3 left 3 right guitar machine heads, easy to install, compatible with most electric guitar or acoustic guitar.Chrome color, durable zinc alloy material, quality sealed tuning pegs, great replacement for your old, broken tuners.Gear ratio: 1:14, with heavy duty internal gear, fit 10mm (0.39inch) standard machine heads hole with 45 degree fixing tag.Package includes: 3 x Left guitar machine heads; 3 x Right guitar machine heads; 6 x Ferrules; 6 x Screws; 6 x Threaded bushings.100% brand new, never used, testing is fine. PRODUCT DESCRIPTION These tuners are quality tuners made of zinc alloy construction Compatible with steel string (Electric or Acoustic) guitar Set of 6pcs machine heads with mounting screws bushings and washers 10mm (13/32")-diameter peg holes required Heavy duty internal gear & standard size Location: 3 left and 3 right handed tuning pegs Color: Chrome Gear ratio: 1:14 Brand : Bogart PACKAGE INCLUDE 3 x Left guitar machine heads 3 x Right guitar machine heads 6 x Ferrules 6 x Screws 6 x Threaded bushings NOTE Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size