Singer 29K & 29U Bobbin Cases

81952 Large capacity shuttle hook for Singer 29K72 or 29U172A Outer diameter 23mm. For spool use 82552.

8603 = 8654 Standard size shuttle hook for Singer 29K71,73 29U171A,173A 18mm in Diameter. For tension spring use number 8611 and regulating screw use number 662. For spool use 8604.