Industrial Timing Belt Belt Material Polyurethane Belt Series MXL Dust Free Industry Number 32MXL012 Number of Teeth 40 Pitch 0.078 in Pitch Length 3 13/64 in Tooth Location One Side Top Width 1/8 in Belt Trade Size MXL Maximum Operating Temperature 176 Degrees F Minimum Operating Temperature -22 Degrees F Reinforcing Cord Material Fiberglass