Industrial Timing Belt, Belt Material Neoprene, Belt Series L, Industry Number 510L050, Number of Teeth 136, Pitch 0.375 in, Pitch Length 51 in, Tooth Location One Side, Top Width 1/2 in, Application All General Industry, Belt Coating Nylon, Belt Trade Size L, Color Black, Length Type Closed Loop, Maximum Operating Temperature 194 Degrees F, Minimum Operating Temperature -22 Degrees F, Outside Length 51 in, Reinforcing Cord Material Fiberglass, Resistance Properties Heat , Oil