Brother SG1 | Seam Guide
Horizontally adjustable seam guide. Guides fabric with an accurate 1/4 inch (6.5mm), 1/2 inch (13mm) or 5/8th inch (16mm) seam.
Screws on to needle plate for accurate seam measurement while sewing. Engraved measurement markings. Screws on in front of all Brother presser feet for expanded visibility.