Brother SA538 Seam Guide Screws on to needle plate for accurate seam measurement while sewing Engraved measurement markings Screws on in front of all Brother accessory feet for expanded visibility Genuine Brother Made Accessory For Innov-is 1000, Innov-is 1200, Innov-is 1250D, Innov-is 1500D, Innov-is 2500D, Innov-is 2800D, Innov-is 4000D, Duetta 4500D, Quattro 6000D, NX-800, QC-1000