Guyker Classical Guitar Tuners, 1:18 Ratio Open Frame Style Acoustic Tuning Keys Steel String Pegs Machine Heads 2 Planks (3+3) (Black, Black Button)

Gear ratio - 1:18. Suitable for classical acoustic guitar. Open style machine heads, heavy duty internal gear. Three on a plank, the guitar tuning pegs is great for guitar tuning. Exquisite appearance, matches your guitar perfectly. Easy to replace your old or dirty guitar tuning pegs. Post spacing: 35mm(1.38"), Shaft diameter: 9.5mm(0.37"), overall length: 110mm(4.33"). Please check the parameter drawing in the attached pics before placing your order.