Grover 502BC Roto-Grip Locking Rotomatic Tuners, 3-Per-Side - Black Chrome

Grover 502BC Roto-Grip Locking Rotomatic Tuners With Kidney Buttons - Black Chrome

ROTO-GRIP LOCKING ROTOMATICS (502 SERIES)
The 502 Series utilize the famous Rotomatic design with a “thumb screw” mechanism which locks the string into place, allowing for quick string changes. To operate, insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. With 18:1 gear ratio.

Specs

• Sealed-in, lubricated gears
• 18:1 gear ratio
• 25/64” post hole
• Post length to hole: 23mm
• Overall post length: 28.2mm
• Weight per pc/per set: 1.6oz/9.6oz
• Max. string gauge: .074”
• Hardware included (bushings, washers, screws)
• Drop-in replacement for:
102-18 Series
102V Series
103 Series
106 Series
109 Series
109-18 Series
135 Series (Top mounting hole will be visible)
136 Series (Top mounting hole will be visible)
502 Series
509 Series