Singer Featherweight Slack Thread Regulator & Screw, Tension Unit, (Vintage Original) swag-bag-item Vintage-Style Electronic Foot Controller

Vintage-Style Electronic Foot Controller

Built to Last: Durable and dependable

A Small Spool of Presencia Thread

Repeat this process until the minimum desired tension is obtained

Singer Featherweight Slack Thread Regulator & Screw, Tension Unit, (Vintage Original) swag-bag-item Vintage-Style Electronic Foot ControllerThis tension unit piece (part 45863) regulates the slack produce by the take up spring. The little screw that holds it on is also included (part 335), which may be chrome or black, depending on stock availability at the time the order is filled. This part fits the Singer 221, 221K, 221J, and 222 as well as the Singer 301.