Industrial Timing Belt, Belt Material Neoprene, Belt Series L, Industry Number 510L050, Number of Teeth 136, Pitch 3/8 in, Pitch Length 51 in, Tooth Location One Side, Top Width 1/2 in, Application Conveying and Transport, Paper Transport, Belt Trade Size L, Maximum Operating Temperature 194 Degrees F, Minimum Operating Temperature -22 Degrees F, Reinforcing Cord Material Fiberglass.