Korena
Product detailSKU #1500000429774

GroverMid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line

Grover
Grover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line
1/8

Independent shopping perspective

The Korena take

Mid-size locking Rotomatics built for quick string changes and precise 18:1 tuning.

Grover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line product detail
Product studyGrover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line
Grover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line alternate view
Alternate view

Strong match

Who this is for

  • Players needing 6-in-line tuning machines
  • Guitars suited to smaller tuner buttons
  • Fast string changes with locking cam posts

Consider the trade-offs

When to look elsewhere

  • Guitars requiring a different tuner layout
  • Players seeking non-locking tuning machines

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Grover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line construction detail

Detail 01

18:1 gear_ratio

Provides precision tuning.

Detail 02

locking cam string post

The cam locks the string as tuning begins; the post then turns to bring the string to pitch.

Detail 03

mid-size buttons

Smaller buttons than standard locking Rotomatics.

Final check

Know before you order

  1. 01Confirm your guitar uses a 6-in-line tuner configuration.
  2. 02The description also states compatibility with 3+3 and reverse 6-in-line guitar arrangements.
  3. 03These are black chrome 406 Series mid-size locking Rotomatics.
Grover Mid-Size Locking Rotomatics 406 Series Tuning Machines Black Chrome 6-in-line close-up

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01What tuner layout is listed?

The product title lists a 6-in-line configuration; the description also states use for 3+3 and reverse 6-in-line guitar.

02What is the gear ratio?

18:1.

03How does the locking mechanism work?

Insert the string through the hole and pull it to tension. When tuning begins, the locking cam rotates first; once locked, the string post turns.

04What finish are these tuning machines?

Black Chrome.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

4 detailsOther
Category Source
detail
Tier
new
Korena Special
false
Source Id
site51500000429774