This Edge Stitch Lock & Sewing Gauge set comes in three colors (white and yellow in 4mm, pink in 3mm) and is equipped with a threading and stitch remover tool. The 3mm/4mm laser - engraved scale can precisely control the stitch distance, achieving uniform stitches in various sewing scenarios. The ergonomic thumb - fit design makes the operation easy and reduces hand fatigue. The high - quality PP material ensures the product is lightweight and durable, and the markings are clear and long - lasting. Whether you are a beginner learning sewing or a professional seeking precise stitches, it can meet your needs and is an ideal choice for various sewing projects such as quilting, sewing garments, and crafting. The threading and stitch remover tool also provides convenience during the sewing process.