Gotoh Mandolin/Bouzouki Machine Heads Gold M120 (Back Fitting)
Gotoh Original Mandolin/Bouzouki A Style Machine Heads in Gold Pack of 2.
Post diameter: 6mm
Post centre to centre: 23mm
Post height: 24mm
Overall length: 110mm
Please note that these are back fitting style machine heads, which means the string mounting holes are on the end of the post and not in the middle.