Editorial Review Measures tension of both bobbin case thread and upper thread with one compact unit. Compact design with easy-to-read LED display provides 12-times the measuring rage of the the Towa BTG-1 and BTG-3 (10mN (1gf) - 5000mN (500gf) vs 10mN (1gf) - 400mNM (40gf)). L and M style bobbin inserts sold separately.
Features 1) This is the tension gauge BODY ONLY, it requires at least one of the L or M style bobbin inserts that can be found on this page. 2) Compact design with easy-to-read LED display provides 12-times the measuring rage of prior Towa units 3) Interchangeable inserts allow body to be used for Standard (L-Type) and Large (M-Type) bobbins 4) Measures tension of both bobbin case thread and upper thread with one compact unit 5) Battery operated (1 AAA battery, not included)
Specification Binding : Office Product Brand : Towa EAN : 4913173188320 Label : Superior Threads Manufacturer : Superior Threads Model : DTM PackageDimensions_Weight : 0.05 pounds PackageDimensions : L:5.20 X W:3.00 X H:1.50 ProductGroup : Art and Craft Supply ProductTypeName : HOME Publisher : Superior Threads Size : Body Only Studio : Superior Threads Title : Towa Digital Bobbin Case Tension Gauge, Compare to Towa TM-1 L-Style and Towa TM-3 M-Style (Body Only)