Mr.Power Guitar Tuners Machine Heads 3+3 Set Tuning Keys String Pegs for Classical Guitar (Short Black, Black Button)

For Classic Guitar., 2 Rows of 3 Pins., Gear Ratio 1:14., Post spacing: 35mm(1.38"), Shaft diameter: 9.5mm(0.37"), overall length: 110mm(4.33")., Ideal to replace your old and dirty tuning pegs and great for guitar tuning.