TOWA Digital Tension Gauge M-Style

TOWA  Digital Tension Gauge M-Style Compact design with easy-to-read LED display. This gauge provides 12 times the measuring range of analog Towa gauages. Interchangeable inserts allow body to be used for L-Style and M-Style bobbin cases. If you wish to measure both kinds of bobbin cases, you must purchase the additional L-Style insert.Includes: Digital Gauge Body (DTM-BD) plus holder for M-Style Bobbins (TM-502)Requires: 3 AAA Batteries Not Included