Grover Roto-Grip 502 Locking Tuners 3 Per Side 18:1 Gear Ratio

Full-Sized Grover Roto-Grip Locking tuning machines. Instead of the traditional post lock located on the end of the string post, this set has a convenient locking knob located on the back of the tuner housing keeping the face of the headstock clean while offering superior string locking stability. 18:1 gear ratio.

Important Specs and Dimensions:

Gear ratio = 18:1
Peghole Requirement = 25/64 in. (10mm)
Post Length = 1 inch (25.4mm)
Post Diameter = 15/64 in. (6mm)
Bushing Type = Hex Head screw in
Collar Diameter = 25/64 in. (10mm)
Collar Height = 25/64 in. (10mm)
Mounting Screw Hole Location = 6 O'clock low