Singer 306 319 Sewing Machine Upper Thread Tension Assembly Simanco 105192

Vintage Singer sewing machine tension knob assembly, compatible with the model 306 / 306K and 319 / 319K. Has the black numbered dial. Complete, comes with all parts shown. Very good vintage condition, bright & rust free but the dial may have minor color loss similar as the example shown. Original, genuine Simanco part #105192