Available with either single or double-sided teeth, trapezoidal tooth profile and Polychloroprene teeth offer accurate meshing with the mating pulley, and this contributes to the ability to absorb shock loads and reduced interference. Part numbers are identified by a 3 or 4 digit number e.g. 900 which represents the pitch length in inches i.e. 90”, 1 or 2 letters e.g. H the belts pitch and a 2 or 3 digit number e.g. 200 the belts width i.e. 2” for example 900H200.