Product Dimensions: Length 45mm, Width 20mm. Manual measurements, please allow slight errors. Compatibility: This product is suitable for most industrial sewing machines. It improves sewing quality in workshops and production lines, while facilitating quick parts replacement during emergency maintenance. Its spring-loaded mechanism prevents thread slippage and breakage, ensuring consistent sewing results across various fabrics and long-term sewing processes. Product Material: This product is specially designed with a combination of metal and plastic, offering a long service life and durability., Manufacturer: YINETTECH