SHUTTLE HOOK FOR SINGER CLASS 7 HEAVY DUTY INDUSTRIAL SEWING MACHINE. Part Number: 54512 Simanco USA. Good condition for its age. Shuttle hook and Bobbin. Please see photos for more detail as they form part of the description. Please see all pictures as they form part of the description. This item is in the category “Crafts\Sewing\Sewing Machine Parts & Accs\Machine Parts & Attachments”. The seller is “zionvintage” and is located in this country: GB. This item can be shipped worldwide.