Specifications for Belt Size 1000-5M-18 Cross References Numbers: 1100-5M,  1000-5M-18,  1000-5M/18 Number of Teeth 200 *Length of Belt 1000mm or ~39-3/8" Peak to Peak Distance Between Two Adjacent Belt Teeth 5mm or ~3/16" Width of Belt 18mm or ~3/4"

*Length of belt is the overall size of the belt's loop measured as if the belt were cut between two adjacent teeth and laid out on a flat surface.