Crafted from stainless steel, rustproof, good durability, making essential additions to your sewing toolkit. Enhancing your sewing with this set of 4 multifunctional sewing accessories, used for adjusting bobbin case tension and ensuring smooth operat on your home sewing machine. Suitable for tailors, sewing enthusiasts, and home sewists who require multifunctional sewing machine repairing tool for sewing machine part replacement. Widely used for sewing machine repair, craft project, and everyday household tasks, providing versatility in stitching. These sewing tool easily meet various needs of both beginner and experienced sewers.