Digital Bobbin Case Tension Gauge By Towa With L And M Style Inserts Ready To Compare With TM-1 L Style And TM-3 M Style Includes TM-501 Small Bobbin Insert And TM-502 Jumbo Insert Compact Pro Grade Tension Tester For Sewing Machines
✔️ Compact tension tester with TM-501 small & TM-502 jumbo inserts
This digital bobbin case tension gauge from Towa is a compact tester that measures both bobbin-case thread tension and upper-thread tension. With L and M style inserts included (TM-501 for small bobbins, TM-502 for jumbo), it helps sewers and machine operators dial in precise tension before sewing, improving stitch consistency across projects.
✅ L and M style inserts included: TM-501 for small bobbins and TM-502 for jumbo bobbins
✅ Measures tension of bobbin-case and upper thread in one unit
✅ LED display provides easy reading on a compact, pro-grade tension tester
✅ Battery powered (3 AAA; not included) for portable use
✅ Ready to compare with TM-1 L Style and TM-3 M Style units
✅ Color: Dtm-a1+tm-501+tm-502
💡 What is a bobbin tension gauge used for?
It helps set and verify thread tension for bobbin cases and upper threads.
- Standardizes stitch tension across bobbin and top thread - Presets tension for L-style and M-style inserts - Reduces need for pre-test runs and stitching variance ✝️