Precise seam positioning: The plumpositioning gauge lets you mark and maintain exact seam allowances so you can stitch clean, even seams without stretching or tearing fabric from incorrect needle placement. Versatile edge and topstitch tool: Use it as a sewing foot stitching gauge or hemming ruler for straight and curved seams, edge finishes, topstitching and decorative seams. Its plumblossom locating shape helps align fabric and presser foot quickly. Easy to use and accurate: The seam gauge gives reliable, repeatable measurements so you know the exact fabric size needed for each seam. Simple to set and check while you sew. For beginners and professionals: A practical tool for anyone who sews or quilts. It works as an expanding sewing gauge to handle a variety of seam widths and applications, making it a useful gift for sewing enthusiasts. Compatibility and function: Designed to be used with a sewing machine and sewing foot as a machine positioner and stitching gauge. Functions as a measuring guide, positioning aid and hemming ruler. Practical use scenarios Hemming garments: Set the gauge to the desired allowance and run fabric against the guide for consistent, even hems on skirts, pants or sleeves. Quilting and patchwork: Use the gauge to mark precise seam allowances on quilt blocks and to maintain uniform seams across multiple pieces. Topstitching and curved seams: Align the plum positioner with the presser foot to stabilize fabric and guide the needle for neat topstitching and smooth curved seams. What it solves Prevents uneven seams and inconsistent seam widths. Reduces fabric distortion and damage caused by incorrect needle alignment. Saves time by giving a reusable guide for repeated measurements and stitches. Key attributes Function: Positioning gauge, seam measuring gauge, hemming ruler, sewing foot stitching guide. Applications: Edge seams, seams, straight and curved seams, hemming, quilting. User level: Suitable for beginners and professional sewers. Form factor: Plum blossom positioning design for easy alignment and repeated use. Simple to use, accurate in performance and adaptable across common sewing tasks, this plum positioner sewing gauge helps you achieve professionallooking seams with less guesswork.