{"title":"Towa TM-3 Bobbin Case Tension Gauge Longarm M Size","description":"\u003cp\u003eThe \u003cstrong\u003eTowa TM-3 Bobbin Case Tension Gauge — M Size (Large Bobbins)\u003c\/strong\u003e is the most important diagnostic tool in any longarm studio — a precision instrument that measures the exact pulling tension of your bobbin case in repeatable numerical units, allowing you to set and maintain perfectly consistent bobbin tension across all machines and all production sessions. The TM-3 eliminates guesswork from bobbin tension management.\u003c\/p\u003e\u003ch2\u003eTop 10 Questions About the Towa TM-3\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eWhy is the Towa TM-3 essential for longarm studios?\u003c\/dt\u003e\n\u003cdd\u003eBobbin tension is the single most common cause of stitch quality problems in longarm quilting. The TM-3 gives you a precise number (typically 180–220g for M-size bobbins) that you can record, reproduce, and adjust predictably — eliminating the guesswork of “pull testing” bobbin tension by feel.\u003c\/dd\u003e\n\u003cdt\u003eWhat size bobbins does the M-size TM-3 measure?\u003c\/dt\u003e\n\u003cdd\u003eThe TM-3 M-size measures the tension of M-size (large) bobbins used in most commercial longarm machines. Do not use the M-size for small “L” bobbins; a separate L-size Towa is needed for those.\u003c\/dd\u003e\n\u003cdt\u003eHow is the TM-3 used?\u003c\/dt\u003e\n\u003cdd\u003eInsert the loaded bobbin case into the TM-3, pull the bobbin case downward at a consistent speed, and read the tension value on the scale. Record the target tension for your thread type and adjust the bobbin case screw until the reading matches. Recheck after each adjustment.\u003c\/dd\u003e\n\u003cdt\u003eWhat is the target tension range for Magna-Glide Classic bobbins?\u003c\/dt\u003e\n\u003cdd\u003eApproximately 180–220g on the TM-3 scale for most Magna-Glide Classic bobbins. The exact target depends on your machine, thread, batting, and design density. Record the tension that produces optimal stitch quality for your specific setup.\u003c\/dd\u003e\n\u003cdt\u003eHow often should I check bobbin tension with the TM-3?\u003c\/dt\u003e\n\u003cdd\u003eAt the start of each production day and whenever changing thread type, batting, or design density. Many production studios check bobbin tension at the beginning of every new quilt.\u003c\/dd\u003e\n\u003cdt\u003eCan the TM-3 be used on Towa bobbin cases?\u003c\/dt\u003e\n\u003cdd\u003eYes — the TM-3 measures any M-size bobbin case including Towa, standard OEM, and aftermarket bobbin cases.\u003c\/dd\u003e\n\u003cdt\u003eHow do I adjust bobbin tension?\u003c\/dt\u003e\n\u003cdd\u003eTurn the small screw on the bobbin case spring clockwise to increase tension and counter-clockwise to decrease. Make small adjustments (1\/8 to 1\/4 turn) and recheck the TM-3 reading after each adjustment.\u003c\/dd\u003e\n\u003cdt\u003eIs the TM-3 appropriate for home machine bobbins?\u003c\/dt\u003e\n\u003cdd\u003eThe M-size TM-3 is designed for commercial longarm M-size bobbins. For home machine (Class 15 or similar) bobbins, the L-size Towa is more appropriate.\u003c\/dd\u003e\n\u003cdt\u003eHow long does the TM-3 last?\u003c\/dt\u003e\n\u003cdd\u003eWith normal use and occasional calibration checks, the TM-3 is a long-term studio tool. Handle the instrument carefully; it is a precision measuring device.\u003c\/dd\u003e\n\u003cdt\u003eIs the TM-3 an appropriate studio gift?\u003c\/dt\u003e\n\u003cdd\u003eYes — for any longarm studio without one, the TM-3 is one of the highest-impact tool investments in the longarm workflow. Gifting a TM-3 to a longarm quilter is a practical, appreciated choice.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSetting precise, reproducible bobbin tension at the start of each production session\u003c\/li\u003e\n\u003cli\u003eDiagnosing stitch quality problems by confirming bobbin tension as a variable\u003c\/li\u003e\n\u003cli\u003eMaintaining consistent stitch quality across multiple machines in a multi-machine studio\u003c\/li\u003e\n\u003cli\u003eRecording tension settings for different thread types, battings, and design densities\u003c\/li\u003e\n\u003cli\u003eTeaching bobbin tension management to studio assistants and apprentices\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"towa-bobbin-case-tension-gauge-m","title":"Towa Bobbin Case Tension Gauge M Size.  TM-3 ( Large Bobbins )","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eTowa Bobbin Case Tension Gauge M Size. TM-3 (Large Bobbins Only!) \u003c\/h2\u003e\n\u003cp\u003eSpecifically for the M size bobbin case or (Large). This amazing gage will relieve the stress of not knowing if your bobbin case tension is set correctly.  Just set your tension between 190 and 220, aiming for closer to 200. This will help you to know that the only tension you need to adjust is the top tension. \u003c\/p\u003e\n\u003cp\u003eThis is for Size \"M\" bobbins only.  A must have tool for Longarm machines!!\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWatch a video demonstration on this product! \u003ca href=\"https:\/\/www.youtube.com\/watch?v=gPdzx83WxR8\u0026amp;list=PLVdSb7hu7qSKrRhp87g6DYjo9fHm1YdpP\u0026amp;index=2\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan class=\"s1\"\u003eCLICK HERE\u003c\/span\u003e\u003c\/a\u003e to be directed to our YouTube Channel. While you're there don't forget to subscribe to our channel to stay up to date with all of our videos!\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Superior Sewing Machines \u0026 Supply","offers":[{"title":"Default Title","offer_id":47112229814409,"sku":"MAC-TM-3","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/0393\/1273\/files\/products_61WFuwY812L._AC_SL1500___53383.1575203283_952d2f39-355e-4425-b7fc-0c4e64b63790.jpg?v=1782643245"}],"url":"https:\/\/battingcompany.com\/collections\/towa-tm-3-bobbin-case-tension-gauge-longarm-aeo.oembed","provider":"The Batting Company","version":"1.0","type":"link"}