Treadle sewing machine belt set: Includes 3 leather belts with metal hooks, 8 sewing machine spools, 12 sewing machine needles, 4 needle threads, 1 folding clip, 2 sewing cones, and 1 pair of sewing scissors – 31 pieces total. High-quality retro treadle sewing machine belt: Made from durable cowhide leather for superior strength, flexibility, and long-lasting performance. Offers excellent tension and wear resistance for reliable use over time. Each belt measures approximately 72 inches (183 cm) in length and 3/16 inch (5 mm) in diameter. Belts can be trimmed to desired length. To install, measure and mark the required length, punch holes using an awl or nail, then secure the metal hook into the leather. Adjust tension by tightening the belt until properly fitted. If too loose, carefully cut to size. Handle with care when modifying. Universal fit: Compatible with vintage, antique, and manual foot pedal sewing machines, including old sewing machine cabinets and swing pedal models. Ideal replacement kit for classic sewing machines. Color: As shown in picture Material: Cowhide leather and metal components Package Includes: 1 set of treadle sewing machine belts (3 belts with hooks) and accessory kit as listed Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.