
Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Why we say this
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Grover's locking version of their Rotomatic tuner line for 6-in-line headstocks, the same 10mm-hole footprint as their non-locking Rotomatics with a locking string post.
6 guitars checked: 6 likely drop-in.
Where to buy
We haven't added a verified place to buy this one yet.
Tuner hole size
10mm
ConfirmedMounting pattern
Single rear mounting screw with a threaded hex peghead bushing, confirmed via Grover's own manufacturer spec sheet
ConfirmedGear ratio
18:1
ConfirmedGrover's locking line ships at the same 10mm industry-standard hole size as their non-locking Rotomatics, a common drop-in on guitars already using modern 10mm tuner bushings.
6 guitars checked: 6 likely drop-in.

Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.

Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.

Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.

Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.

Matches the tuner holes already on this guitar. A straightforward locking tuner upgrade, no drilling needed.
Matches the confirmed 10mm tuner bore on this guitar.

Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Nothing is flagged as an open question here right now. If you have fitted something to this 502 Roto-Grip Locking (6-in-line) that we haven't covered, send it in.