Delrin Coupling Chain Chain Number 40 Pitch 1/2 Number of Links 24 Chain Overall Width 1.25 in For Number of Teeth 24 Overall Length 12 in Maximum Horsepower at 500 RPM 10.1 hp Includes (2) 40 Pitch 24 Teeth Sprockets Material Delrin Maximum Operating Temperature 150 Degrees F Minimum Operating Temperature -25 Degrees F Maximum Horsepower at 100 RPM 2.02 hp