1. for all skill levels: Designed for beginners and experts alike, this tool comes in 6 vibrant colors (yellow, blue, white, black, green) and is ideal for sewing enthusiasts. Size 70 x 35 mm. Includes one tool. 2. Ergonomic thumblock design: Contoured to securely lock around your thumb, with a smooth sliding mechanism that lets you adjust positions with millimeterprecise accuracy. This design reduces hand strain during extended sewing, quilting, or applique work, and supports singlehanded operation for detailed tasks like hemming or delicate fabric handling. 3. Lightweight and durable: Made from sturdy yet lightweight silicone for easy handling, with clear, longlasting markings that withstand repeated use in sewing, quilting, and projects. 4. Laseretched 3 mm dual scales: Features laserengraved 3 mm dual measurement scales that ensure aligned fabric joining—whether working on straight lines, curved seams, quilting patterns, or decorative stitching. Doubles as a needle spacer and seamwidth template, delivering professional, uniform results across embroidery, leathercraft, garment construction, and textile projects, eliminating uneven stitches or misaligned edges. Use scenarios: Hemming or delicate fabric handling where precise seam control is required. Aligning straight and curved seams in garment construction or quilting. Decorative stitching, embroidery, or leathercraft where consistent seam width and alignment are important.