Horizontal, 3 Treble and 3 Bass, Set of 6.

The 97-18 Series is classic in design and feature a stylish die-cast plate with multiple interchangeable button options. These high-end open gear machine heads offer smooth and precise tuning.
• Open gears
•18:1 gear ratio

Horizontal (for slotted headstock)
•16/64” post hole
•Post length to hole: 13.37mm
•Overall post length: 28.56mm
•Weight per pc/per set: 1.0oz / 6.0oz
•Max. string gauge: .074”
•Hardware included (screws)

For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.