Features: The sewing machine belts are crafted from plastic, offering exceptional resistance to abrasion, chemicals, oil, and heat, ensuring a long service life compared to traditional rubber belts. These belts provide improved power transmission efficiency and reduced slippage, thanks to their high load bearing capacity and excellent flexibility, making them perfect for maintaining machine performances. Perfect for home sewing enthusiasts, small garment factories, and repair shop technicians, these belts caters to anyone looking to maintain or repair old fashioned household electric sewing machines and overlock machines. Suitable for use in home sewing studios, small clothing manufacturing workshops, and professional repair centers, these belts ensure smooth operation and consistent performances under various working conditions. With easy installation and precise matching for the mb500 type sewing machines, these belts offer a cost effective solution for extending the lifespan of your sewing equipment, making them a valuable addition to any sewing toolkit. Specifications: Texture: Plastic Applicable Model: For MB500 Perimeter: Approx. 19.69inch(500mm) Package Includes: 5Pcs Motor Belts note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.