Vintage Original Chain Stitch Attachment - Fits Singer Models 600, 603, 620, 628, 630, 635, 636, 638, 640, 648
-Original ChainStitch attachment.
-Will fit Singer 600 series Touch-N-Sew machines: 600, 603, 620, 625, 628, 630, 635, 636, 638, 640, 648
-Part # 21913, 21906, 163455
