This Rolled hem foot is perfect for hems that are too small to sew by hand. It will curve under a 3mm double hem while stitching with a straight stitch. This foot includes a built-in shank. You can use this for the hem of light weight fabric blouses, gowns, edges of scarves, circular hems and other projects. 

This is meant only for commercial/Industrial high Shank sewing machines. This is not for domestic/portable home sewing machines.