Sanco badged New Home zig zag sewing machine. Model 535 built in Japan for US customers. Bobbin winder #530501004 with tension spring and mounting screw. Good working shape and rubber tire good condition. Tested and working repair part. Should work on other New Home/ Janome sewing machines including 530, 531, 535, 571R and 581. Price includes shipping to lower 48, return for full refund if fails on your restoration project.