Genuine Original Singer replacement parts removed from a vintage Singer Featherweight sewing machine. These are authentic Singer factory parts, not aftermarket reproductions. This listing includes the forked connecting rod (SIMANCO 45754) and tension regulator (SIMANCO 45731), along with the mounting bolts. These components work together as part of the upper tension assembly on the Singer Model 221 Featherweight. Compatibility Singer Featherweight Model 221 Original Singer Information Forked Connecting Rod — SIMANCO 45754 Tension Regulator — SIMANCO 45731 Genuine Original Singer factory parts Includes Forked connecting rod (SIMANCO 45754) Tension regulator (SIMANCO 45731) Mounting bolts Condition Pre-owned, removed from a vintage Singer Featherweight. Notes These parts are commonly needed during Singer Featherweight restoration when the tension assembly requires repair or replacement.