Delrin Coupling Chain Chain Number 40 Pitch 1/2 Number of Links 240 Chain Overall Width 1.25 in For Number of Teeth Not Applicable Overall Length 120 in Maximum Horsepower at 500 RPM 10.1 hp Material Delrin Maximum Operating Temperature 150 Degrees F Minimum Operating Temperature -25 Degrees F Maximum Horsepower at 100 RPM 2.02 hp