Fabric Diy Handmade Patchwork Tracing Wheel Seam Allowance Circle Mark Sewing Tool Tool Seam Allowance WheelMain Function: Can be used for paper or stencils with a thickness of less than 0.6mm. With a brush, you can draw beautiful seam lines along the stencil or pattern, whether it is curved or straight.Perfect Sewing Tool: The perfect sewing tool, can be used for tailoring, sewing, patchwork and other handicraft projects. Even the curved patterns and templates are the same.Stitch Template for Beginners: Use this tool to create a look more easily without mistakenly or accidentally overlapping in the corners. No need to mark the sandwich or suggest sewing errors.Package Contains: The package contains 4 tracing wheels with dimensions of 3mm, 5mm, 7mm, and 10mm.Easy to Use: Just snap it into place with the straightedge feet properly installed, and then follow the template to get a beautiful mosaic pattern.Note: The data are all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.