Choose desired seam width from 1/8 inch up to 1 1/2 inches.
With needle down, use a separate ruler to measure desired distance from needle to left edge of guide.
Hold guide in place by securing screw through guide slot into either one of the holes to the right of your needle plate.
And Best of All ~~Acrylic will not damage machine surface and matches your finish of the Singer Featherweight.
