Muncy Winds exclusive BEE BARGAIN. This is a new and improved humidity gauge just in time for the dangerous dry winter months. Helps to reduce chances of cracking your wooden instrument by monitoring your humidity daily. This gauge is smaller, with a heavier brass bezel, and is easier to calibrate than previous models. Measures the humidity in side your case. Easy to read dial. Small enough to fit easily in all cases. Heavy duty.
See detailed image below.