Supplied by DESK DAVE'S Featherweight Factory ~ Your Premier Site for the Finest Supply of Antique and Collectible Sewing Machines. For further Featherweight splendor, please contact us at any time. Item ID: 170167. New Generic Rotary Hook Assembly & Bobbin Case, compatible with Singer Featherweight 221, 222, 301 sewing machines. Please note, this Hook Assembly and Bobbin Case is guaranteed to work faultlessly when kept as a unit. Money Back Guarantee. DESK DAVE'S Featherweight parts provides the same high standards of quality always found in our exceptional range of SINGER 221/222 Featherweight sewing machines. Shipping and Insurance for this Item is Complementary within the Continental United States. If you have any questions, please contact us at any time.