This product is a set of industrial 12PK rubber multi rib drive belts, total 9 units with complete specifications: 1675, 1690, 1694, 1730, 1740, 1745, 1750, 1765 and 1772. Adopting premium rubber manufacturing technology, this multi rib belt combines the advantages of V-belt and flat belt, owning strong friction and outstanding transmission performance. It is anti-wear, oil-resistant and temperature-resistant, capable of stable operation under high load. With compact structure and good flexibility, it runs with low noise and less vibration, effectively avoiding belt slip and failure. Widely applicable to all kinds of industrial machinery, transmission equipment, fans, water pumps and other mechanical drive systems. Easy to mount and replace, it is a practical and durable replacement drive belt for industrial production and mechanical maintenance.