Upper Looper 77M for Merrow Universal Sewing Machine

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Upper Looper (Part #77M) for Merrow Industrial Sewing Machines Achieve flawless stitch geometry and consistent "purl" formation with the Upper Looper (Part #77M). This precision-en gineered component is the mechanical heart of the overedge stitch, responsible for carrying the upper thread across the edge of the fabric to meet the needle and lower looper. The 77M is manufactured to original equipment standards to ensure the surgical timing required for high-speed industrial production. Show more