Replacement Upper Thread Tension Check Spring - Singer Part # 237174 – Central Michigan Sewing Supplies Inc.

Replacement upper thread tension check spring. -Fits Singer model 111W, 112G, 112W, 212G, 212W,134W, 138G, 138W, 153W, 167G, 167W, 168G, 168W, 52W -Part # 237174 -Light duty

Singer Thread Tension Parts – Central Michigan Sewing Supplies Inc.

Singer Thread Tension Parts – Central Michigan Sewing Supplies Inc.

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Singer Thread Tension Parts – Central Michigan Sewing Supplies Inc.

Upper Thread Tension Check Spring - Part # B2354 – Central Michigan Sewing Supplies Inc.

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CKPSMS Brand -2PCS #541957 Thread Tension Assembly Compatible with/Replacement for Singer Brand 20U31,20U33,20U42,20U43,20U53

Singer Thread Tension Parts – Central Michigan Sewing Supplies Inc.

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Upper Thread Tension Check Spring - Part # B2354