Singer Domestic sewing machine head

Model Class: Most commonly the Singer Model 15 (or modern variants like the 15N or 15NL). The Model 201 is another highly respected classic.

Stitching: Primarily a Straight Stitch machine, known for its powerful, consistent, and superior stitch quality, especially on heavy materials.

Build: Features a heavy-duty cast metal body (often black with gold decals) that is incredibly durable and designed to last for decades.