Revive your cassette players with this comprehensive 30-piece black belt repair kit. The set includes various sizes ranging from 26mm to 120mm, making it perfect for repairing different models of cassette tape machines, CD players, and other audio equipment. These square belts are designed for easy installation and replacement, helping restore functionality to your cherished audio devices. Their compact size makes them convenient to store and handle during repairs. This assorted pack offers versatility for various repair needs, ensuring you have the right size when you need it. Whether you're a repair professional or an audio enthusiast maintaining vintage equipment, this belt set provides the essential components needed to keep your devices running smoothly. Keep your classic audio equipment in working condition with these reliable replacement belts.