Features: Precisions crafted sewing guide tool with 3mm/4mm measurement indicators ensures surgical level accuracy for uniform stitching on straight lines, and decorative pattern. Ergonomic thumb guided sliding ruler features plastic construction for not fatigue control during hemming, quilting, and needle positioning as a multifunctional gauge. Ideal for both beginner masterings stitching techniques and experienced sewers pursuing accurate result in garment making, crafts, and professional projects. As a portable quilting template and allowance marker for DIY fabric manipulation, embroidery stabilization, and precise edges alignment in confined workspaces. This plastic thumb mounted sewing companion streamlines multiple tasks – replacing traditional templates while enhancing stitching consistency across cotton, and delicate textiles. Specifications: Component: Plastic Color: Yellow, White, Pink, Blue Specifications: 3mm/4mm Quantity:4,8 Package Includes: 4/8Pcs Sewing Template note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.