Regulating Stud Spring 214529 for Singer 300U, 300W, 302U, 302W & 320W Sewing Machines Maintain precise machine control with this Premium Replacement Regulating Stud Spring 214529, designed to support smooth regulation and stable sewing performance. It helps ensure consistent adjustment response, improving overall stitching accuracy and machine efficiency. Compatible with Singer 300U, 300W, 302U, 302W, and 320W sewing machines, this durable spring is built for long-lasting industrial use. It is an ideal replacement for worn or weakened springs to restore proper machine function. Key Features: Premium quality replacement regulating stud springEnsures smooth and accurate machine adjustmentHelps maintain stable sewing performanceStrong and durable construction for long service lifePerfect fit for Singer 300U, 300W, 302U, 302W & 320W modelsSuitable for industrial sewing machine repair and maintenance