Compatibility: Compatible with Stratocaster-style electric guitars with standard 6mm control shafts. 6mm Hole Size: Fits most metric potentiometer shafts commonly used on electric guitars. Smooth Control: Provides precise adjustment for volume and tone with comfortable grip during play. Great Upgrade: Perfect for guitar repairs, restorations, or personalizing instruments. 3-Piece Set: Includes 1x volume and 2x tone control, ideal for replacement or custom upgrades., Manufacturer: Briny River