Need a precise replacement timing belt for a machine, 3D printer, or industrial equipment? This D&D PowerDrive belt is built to spec. It's a synchronous timing belt (think of it like a gear belt) with an 8M tooth profile. The \8M\ refers to the tooth pitch (the distance between teeth) being 8 millimeters. The key dimensions are: an outside circumference of 1152mm (about 45.35 inches), a top width of 14mm, and a belt depth of 6mm. It's made from durable neoprene rubber with fiberglass cords for strength and minimal stretch. This belt is designed to meet or exceed RMA (Rubber Manufacturers Association) standards, matching the performance of other major US brands. It's crucial to match these specifications exactly when replacing a worn or broken belt in any synchronous drive system to ensure proper meshing with the pulleys and accurate motion transfer. Commonly used in CNC machines, conveyor systems, printers, and various automated equipment. Always check your old belt's part number (OEM # 1152-8M-14) and measure its length and width to confirm this is the correct replacement. A quality belt for a smooth-running machine.