Most commonly for 5/8" (16mm) garment seaming; however, this foot comes prepared to help for all your seaming needs. This foot is great for all projects that require the utmost accuracy, such as: garment seam allowances, topstitching or piecing while quilting. The built-in ruler and guide are helpful for keeping your measurements precise at all times. Seam Allowances and Recommendations: • 3/8" (10mm) – Some Children’s Clothing and Doll Clothing • 1/2"(12.7mm) – Home Décor and Craft Projects • 5/8" (16mm) – Garment Sewing • 1" (25mm) – Garment tailoring and Hems. Fits Models: Accord, Aerial, Altair, Amelia, Aria, Audrey, Aurora, Aventura, Ballad, Bloom, Brilliant, Chorus, Crafter’s Choice, Crescendo, Decorator’s Choice, Destiny, Elizabeth, Ellageo Plus, Ellegante 3, Ellisimo, Ellisimo Gold, Ellure, Ellure Plus, Esante, Grace, Journey, Jubilant, Katherine, Lyric, Maria, Melody, Natalie, Presto, Quilter’s Choice, Rachel, Sofia 2, Solaris, Soprano, Spirit, Symphony, Tempo, Unity, Verve, Vesta.