Grover Roto-Grip Locking Rotomatics® – 18:1 Machine Heads | GIG Guitars

At GIG Guitars, we stock only gear we trust—and Grover’s Roto-Grip Locking Rotomatics® are a top-tier upgrade for any guitarist seeking faster string changes and unmatched tuning stability. These machine heads feature an 18:1 gear ratio for precise tuning, combined with a clever thumb screw locking system that eliminates string slippage.

Changing strings is effortless: thread the string through the post, wrap once, and tighten the locking knob. This intuitive design secures your strings firmly in place and drastically reduces time spent on setups and mid-gig maintenance.

The Roto-Grips are compatible with most standard tuning peg configurations, making them an excellent drop-in replacement for stock tuners. Whether you're upgrading a stage guitar, custom build, or home setup, these machine heads deliver reliable performance and sleek styling.

Each set available at GIG Guitars includes all required mounting hardware, making installation straightforward for both DIY musicians and professional techs. As with all our gear, we back it with expert advice and support from real players who care about tone and reliability.

Key Features:

• Grover's iconic 18:1 gear ratio for smooth, accurate tuning

• Thumb screw locking system for quick, slip-free string changes

• Fits most standard headstocks—ideal for retrofits or upgrades

• Includes mounting hardware for easy installation

• Trusted by players and techs across Australia

• Available now from GIG Guitars, your independent music gear specialist