Versatile Design for Precision Tailoring: Our Seam Circles set includes interlocking wooden circles, ideal for adding or subtracting seam and hem allowances with accuracy. Tailor your sewing patterns with ease, ensuring every design fits perfectly and looks professional. Measurement Compatibility: Seam Circles are designed to accommodate metric systems, allowing adjustments from 0.5 cm to 3 cm. Equipped with two center hole sizes for different marking tools, these circles cater to both pencils and fabric pens. User-Friendly \u0026 Customizable: Align the circle's edge with your pattern line for simple marking. Whether you're rolling along a ruler, pushing by hand, or guiding with a finger, marking is effortless. For larger allowances, use one line as a guide to effortlessly add another. Multipurpose Quilting Tool: Ideal for a variety of sewing and quilting tasks, these circles help in adding seam allowances, drafting facings, marking top-stitching lines, and creating quilting lines. A must-have for both beginners and experienced crafters. Precision Crafting Tool: Beyond seam allowances, use Seam Circles for marking pad stitching lines, drawing rounded corners, and more. This tool ensures clean, consistent lines, enhancing your crafting projects and bringing your visions to life. Colour:Wood Color Material:Wood Package Contents: 1Pcs x Seam Circles set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.