Please pay attention to the product you want£¡£¡£¡ This is a TOWA Tensiometer with a "L" type bobbin insert holder. You can see the size on the picture! TM-501 bobbin inserts USE FOR SMALL BOBBIN CASES "L" Style. Compact design with easy-to-read LED display provides 12-times the measuring rage of prior Towa units Measures tension of both bobbin case thread and upper thread with one compact unit.Battery operated (3 AAA battery, not included) You can use this gauge to preset the tension on each bobbin case. To make sure every bobbin case change is the same and eliminate the need to run a pre-test on your sewing project for loose, or tight stitching.

1. Part number: DTM-BD+TM-501

2. This is a TOWA Tensiometer with a "L"  type bobbin case insert holder.

You can see  the size on the picture!

TM-501 bobbin inserts USE FOR SMALL BOBBIN CASES "L" Style.

3. Compact design with easy-to-read LED display provides 12-times the measuring rage of prior Towa units

4. Measures tension of both bobbin case thread and upper thread with one compact unit

5. Battery operated (3 AAA battery, not included)

You can use this gauge to preset the tension on each bobbin case. To make sure every bobbin case change is the same and eliminate the need to run a pre-test on your sewing project for loose, or tight stitching.

Instructions included in box.

Please pay attention to the product you want£¡£¡£¡