6-in-line, set of 6.
The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks.
Sealed-in, lubricated gears
18:1 gear ratio
25/64” post hole
Post length to hole: 22.4mm
Overall post length: 27.5mm
Weight per pc/per set: 1.2oz/7.2oz
Max. string gauge: .064”
Hardware included (bushings, washers, screws)
Drop-in replacement for: 406 Series
For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.
