Industrial Timing Belt, Gearbelt Series - Timing Belts XL, Industry Number - Timing Belts 180XL037, Width - Timing Belts 3/8 in, Number of Teeth - Timing Belts 90, Pitch - Timing Belts 1/5 in, Pitch Length - Timing Belts 18 in, Teeth Location - Timing Belts Single Sided, Material Neoprene