Feature:1. Easy Installation -- Set of 6pcs handed guitar machine heads, easy to install, compatible with most electric guitar or acoustic guitar.2. Premium Quality -- Chrome finish, durable zinc alloy material, quality sealed tuning pegs, great replacement for your old, broken tuners.3. Application -- Gear ratio: 1:15, with heavy duty internal gear, fit 13/32 inch(10mm) standard machine heads hole.4. Ergonomic Design -- Special oval sunken 6 in line Guitar string tuning pegs for comfortable stable use.5. Various Combo Available -- We provide 3 color for choose( Silver, Gold, Black), and also provide 3 Right +3 Left, 6 Right, 6 Left 3 different combo for your DIY.Specification:Features:Easy Installation -- Set of 6pcs handed guitar machine heads, easy to install, compatible with most electric guitar or acoustic guitar.Premium Quality -- Chrome finish, zinc alloy material, quality sealed tuning pegs, great replacement for your old, broken tuners.Application -- Gear ratio: 1:15, with heavy duty internal gear, fit 13/32 inch(10mm) standard machine heads hole.Ergonomic Design -- Special oval sunken 6 in line Guitar string tuning pegs for comfortable stable use.Various Combo Available -- We provide 3 color for choose( Silver, Gold, Black), and also provide 3 Right +3 Left, 6 Right, 6 Left 3 different combo for your DIY.Specifications:Material: Zinc Alloy + IronColor: Black / Gold / Silver (Optional)Combo: 3R+3L / 6R / 6L (Optional)Application:Packing List:6 * Guitar Machine Heads (3pcs left + 3pcs right)Package List:6 * Guitar Machine Heads (3pcs left + 3pcs right)