Cast synchronous belts with steel cord and suitable wheels. Belts have very good shape stability, high flexibility, high resistance to wear and age. Excellent chemical properties with high resistance to acids, basics, oils and other lubricants, UV radiation etc. Used in e.g. office machines and houshold appliances, in compressors, printers, etc. Conforms to ISO5296-1 and DIN7721-1. Synchronous belt wheels without centre hole. Wheels with diameter up to 45 mm have end pieces on both sides, wheels with larger diameter have no end pieces.