With its cutting edge Velvet-Tec* technology the Schaller GrandTune? is the ultimate combination of tasteful design and velvet-smooth feel and touch. Sound quality, tuning stability and performance define this as the superior tuning machine. 18:1 gear ratio supports precise, smooth tuning. Hyper-accurate gear joints and fittings without polymer coatings present perfect stick-slip-performance and zero wear and slackening. All GrandTune? Classic string rollers feature brass-lined string holes. Screw joints are permanently locked, sealed and covered for zero degradation and maintenance-free performance. Standard dimensions for easy installation. Countersunk screw holes for solid fit and perfect sound coupling. Weight: 152g