Features: Achieve 4mm stitching with this seam guide for controlling straight seams, curves, and decorative pattern across quilting projects and fabric craft. The ergonomic thumb rails ensures stable grip and reduced hand fatigue during extended sewing supplies, crafted from sturdy plastic with permanent fade resistant markings. Ideal for both learning basic stitching techniques and experienced tailors requiring professional accuracy in garment construction and textile projects. Enhances when creating blankets, clothing alterations, bags, or measuring seam allowances – your companion for home textiles and creative sewing endeavors. This multipurpose edges stitching lock template combines industrial durability with user friendly designs, making it indispensable sewing gauge for achieving consistent professional result across various fabric types. Specifications: Materials: Plastic Type: As Picture Show, Four Type to Choose Size: 5.7x3.9cm/2.24x1.53inch Package Includes: 4pcs Sewing Edges Guide note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.