Features: Enhancing your sewing efficiency with our Metal Thread Tension Regulator Assembly, specifically used for old industrial sewing machines, ensures stable thread tension. Crafted from metal, this thread tension regulator is built to withstand wear and temperature resistant, providing long time use. Suitable for professional tailors, sewing enthusiasts, and anyone who seeks to improve their sewing efficiency. Widely use for industrial sewing machine, or home sewing, this tension assembly ensures consistent thread control during complex sewing project, enhancing overall productivity. These industrial sewing machine thread tension regulator assembly is essential addition to any sewing toolkit, ensuring seamlessly integration into your existing setup. Specifications: Color: Silver Component: Stainless Steel Size: Approx. 1.6x4.3cm/0.63x1.69in Weight: Approx. 140g Package Includes: 4Pieces Sewing Machine Thread Tension Regulator note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color