The newest addition to the Grover family, these locking machine heads utilize the famous 18:1 Rotomatic‚ design with a "thumb screw" mechanism which locks the string into place. Insert the string through the post hole, wrap...

A smaller version of the regular size ROTO-GRIP‚ lockers for the in line and smaller headstocks or for those who prefer a lighter feel.

The newest addition to the Grover family, these locking machine heads utilize the famous 18:1 Rotomatic‚ design with a "thumb screw" mechanism which locks the string into place. Insert the string through the post hole, wrap...

SELF ALIGNING THRUST BEARINGS! Gear ratio is 20:1. Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string with cutaway shoulders to provide slip-over. Two...

The same innovative engineering and classic design as the original Rotomatics, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. Gear ratio is 18:1.

The same innovative engineering and classic design as the original Rotomatics, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. Gear ratio is 18:1.

These guitar machines are a triumph in engineering and style. The housing provides a maximum bearing for worm gear and string post. Gear Ratio is 14:1. Worm and gear are precision-cut for perfect meshing. This eliminates...

Totally professional in design and performance. Small and lightweight, this precision machine fits guitar headpieces that will not take full size machines. The mini buttons provide more space for players' fingers (even...

Totally professional in design and performance. Small and lightweight, this precision machine fits guitar headpieces that will not take full size machines. The mini buttons provide more space for players' fingers (even...

These guitar machines are a triumph in engineering and style. The housing provides a maximum bearing for worm gear and string post. Gear Ratio is 14:1. Worm and gear are precision-cut for perfect meshing. This eliminates...