Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Suitable for classical folk guitar string alignment. Upgrade your guitar now: Whether you're a beginner or a pro, tuning pegs are the perfect addition to your guitar tool kit.4.IMPROVED TONE: With push buttons, it's the perfect upgrade for your acoustic guitar.5.With a 1.38inch (35mm) post-to-post spacing, a 6mm shaft diameter, and a 27mm shaft length, these tuning pegs are designed for most classical guitars.6.Made of metal, these tuning pegs feature a 1:14 gear ratio and heavy-duty internal gears for smooth and precise tuning.7.Easy to Install: With 3pcs machine heads and 2pcs tuning keys (left, right), these tuning pegs are easy to install and replace old and dirty tuning pegs.Specifications:Material: MetalColor: ChromeBrand name: BQLZRSize: 16x44x38mm/0.63inchx1.73inchx1.5inch (LxWxH)Weight: 168 gPackage include:2 x Classical Guitar Tuning Keys8 x Screws1 x Screwdriver