Viking 21a Basic Stitch Cam

This cam for the Husqvarna Viking model 21a sewing machine will produce the two most basic stitches used for garment construction-- Zigzag stitches and 3-step zigzag stitches. This will save you from wearing out your vintage cams, or replace a vintage cam that has already worn down from years of use. Positions 1&2 produce a three-step zigzag, and positions 3~5 produce a normal zigzag stitch.