New Unused Sidewall Conveyor Belt Belt is 38’3″ Long x 22-5/8″ Wide and approx 3/32″ Thick Belt has 2-3/8″ on each side that is flat (outside sidewalls). Sidewall Height Approx 1-23/32″ Cleat Height Approx 1-3/32″ Cleat Length Approx 13″ 10″ Distance between Cleats Belt is laced.