Thread Tension Rebuilt Kit Fits Singer Model 66, 99

This replacement thread tension rebuild kit is designed for Singer sewing machine early models 66 and 99. It includes a beehive spring, tension discs, and nut (color of nut may vary silver or black).

Note that the check spring pulls down. Please be aware that these parts are not compatible with late model numbered dial tension assembly's or early model 99 machines that use the 3/4" diameter disc.