MusEcho Radius Gauge and Metric Ruler

Brand new! A radius gauge and metric ruler combination that is unlike any other on the market. The Radius gauge serves to measure oboe & English horn tube cane in increments from 9.75-12.75. The ruler provides metric measurements for both oboe and English horn reeds. This gauge is also reversible for right or left handed reed makers! This new design features cutting edge PCB (printed circuit board) that weighs only 11 grams. Comes with a leather protective sheath.