Grover Roto-Grip Locking Rotomatic Tuners - 3+3 - Chrome

Locking Tuning Machine Heads for Guitar with 18:1 Gear Ratio, 3 x 3 Configuration, .391" Hole Size, and Included Mounting Hardware - Chrome
Grover Roto-Grip Locking Rotomatic Tuners - 3+3 - Chrome image 1
Grover Roto-Grip Locking Rotomatic Tuners - 3+3 - Chrome image 1
$74.99
Sweetwater Savings: $44.51 MSRP: $119.50
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Grover Roto-Grip Locking Rotomatic Tuners - 3+3 - Chrome
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Exceptionally Precise Tuners You Can Rely On

Choose Grover Roto-Grip Locking Rotomatic tuners for exceptional tuning stability and long-term reliability. Roto-Grip Locking Rotomatics feature a precise 18:1 ratio, as well as a locking mechanism that keeps your strings securely in place. Just thread the string through the post hole, wrap it once, then tighten the thumb screw to lock it down. These tuners are an ideal replacement for most standard guitar tuning machines, and come with all necessary mounting hardware. For stable tuning that you can rely on, get some Grover Roto-Grip Locking Rotomatic tuners!

Grover Roto-Grip Locking Rotomatic Tuning Machines for Guitar Features:
  • Locking tuners for guitar
  • Color: Chrome
  • 18:1 gear ratio
  • .391" hole size
  • 3 x 3 configuration
Enjoy world-class tuning stability with the Grover Roto-Grip Locking Rotomatic tuning machines!

Tech Specs

Intended Instrument Guitar
Configuration 3+3
Finish Chrome
Locking Yes
Manufacturer Part Number 502C

Customer Reviews

4.5/5
Based on 5 reviews
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5/5

Replacing Gibson G Force Tuning System

The Grover Rotomatics are drop-in replacements for the G Force, easy DYI, especially with on line videos available. The high gear ratio enables very accurate tuning, and the locking tuners make for quick string changes. I combined this change with a replacement nut, since the brass nut on the guitar wears badly and catches the strings. Gibson provided a free titanium replacement, but ultimately I went with the Graph Tech TUSQ XL (PQL-6110-00) based upon tone preference. Between the nut and new tuners, the intonation is much more stable, especially when bending strings, and the guitar stays in tune. I much prefer the look and feel of the manual tuners, as well, but that is just personal opinion. The Rotomatics are an easy upgrade and come with different finishes. Highly recommended.
5/5

Excellent Upgrade

I upgraded the stock Grover tuners on my Gretsch 5622t-cb to these and they greatly enhanced the tuning stability. I went from tuning every 5-10 minutes to tuning once or twice during hourlong playing sessions, including frequent bends and use of the Bigsby tremolo. These have the same footprint as the factory installed Grovers, so replacing them took less than 10 minutes and required no mods to the guitar. Having the locking tuners really simplified the string change--they acted like an extra set of hands, which is helpful when stringing a guitar w/ a Bigsby. I would have gladly paid slightly more for my guitar if these came standard. I wish I made this change a year ago when I got the guitar. They look and work great.
5/5

Grover Roto-Grip Locking Rotomatics 3+3

The tuning heads fit perfect on my old Yamaha FG 365s. Installation was very easy. The guitar stays in tune.
Music background: I ve been playing over 50 years
5/5

Best Locking Tuners

String changes were never quicker. Keeps tuning rock solid. Did away with my Floyd Rose bridge/locking nut guitars. A set of these and you can dive bomb, etc. on any decent tremolo bridge. Quick retuning for alternate tunings are a breeze. Tried the rest. Got these on all of my guitars. Excellent.
Music background: Lifer musician/writer/engineer
3.5/5

2 grovers just won t hold

A and G string Grovers just won't hold. This is in a brand-new Les Paul. Grover people replaced the two right away. Turnaround time was three days amazing. That's why I love Grovers now I got six that work really HOLD Great. I'm going to upgrade to locking Grover tuners shortly. Grover Makes locking tuners that replaces it perfectly thanks for listening John
Music background: Open mic nights around the city
See also: Tuning Machines, Grover, Grover Tuning Machine Heads