Feeler Gauge Set
Mega feeler gauge set that even include giant 2mm & 3mm (.118″) gauges. Includes all sizes needed to accurately measure any mouthpiece made and has both US and Metric numbering. You no longer need separate sets of feeler gauges for US and metric; you only need this one!
Use this feeler gauge set with one of our glass gauges to measure the facing curve on any saxophone or clarinet mouthpieces.