Upgrade your guitar with the D'Addario Black 3x3 Auto-Trim Locking Tuning Machines. Designed for precision, these tuners automatically trim excess string, making string changes a breeze. With an 18:1 gear ratio, enjoy superior tuning stability even during intense performances. The sleek black finish and 3+3 design fit perfectly on guitars with three tuners on each side of the headstock. Each set includes six tuners and all necessary mounting hardware. Elevate your playing experience with these reliable, stylish tuning machines.