Item Type: Acoustic Guitar Tuner Conversion BushingMaterial: Plastic 1Tuner Bushing: Having been installed on the tuner of acoustic guitar, the bushing will make the tuning much easier and more accurate. 2Pretty Design: Simple style is always the best decoration, so the tuner conversion adapter will largely improve your guitar playing. 312Pcs in Pack: There are 12pcs acoustic guitar tuner conversion bushing in the set, and the large quantity simplifies the replacement. 4Good Material: Using premium plastic material, not likely to break and also has excellent durability for long term using. 5Easy to Install: Comes with a light weight and a compact size as well, the easy installation is can be quickly completed in minutes.