Double Strand Coupling Chain Chain Number 40 Pitch 1/2 Number of Links 16 Chain Overall Width 1.25 in For Number of Teeth 16 Overall Length 8 in For Coupling Part Number AL40 C4016X 1 1/4 C4016X1 C4016X1 1/8 C4016X3/4 C4016X5/8 C4016X7/8 Includes (1) Connecting Link Material Steel Maximum Operating Temperature 150 Degrees F Minimum Operating Temperature -25 Degrees F