Furch CNR Active Adjustment Kit (& CNR Active Explanation)The complete tool kit for the Furch CNR System Active, designed to help you perform precise string action adjustments effortlessly. Perfect for use at home or in the studio, this kit empowers you to fine tune your guitar with confidence. Follow the detailed instruction guide in the enclosed video for step by step guidance. 1x CNR System Active Allen Key 1x Trussrod Allen Key 1x String Action Gauge Compatibility to all Furch CNR System Active guitars