• These opened tuning pegs are a modern version of a vintage design. For 1-left/1-right slotted pegheads. For Most common 8-string Mandolins
• Set of 2 x 4-on-plate (1-left/1-right) with mounting screws.
• 15:1 gear ratio for fine tuning, a cast baseplate.  the shaft fits in 1/4" or 6mm hole (more detail please check the second photo)
• Come with bushings and screws.
• Heavy duty for a lifetime of use.
• Nickel.