California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Roller Chain, Chain Construction Hollow Pin, Overall Length 10 ft, Material Steel, Chain Number 40, Chain Overall Width 0.689 in, Roller Diameter 5/16 in, Tensile Strength 2, 430 lbf, Pitch 1/2 in, Number of Strands 1, Pin Contruction Riveted Pin, Pitch Type Single Pitch, Inside Width 0.313 in, Series Hollow Pin, Working Load Limit 397 lb, Features Cross Rods May be Inserted Into Any Link Without Disassembling the Chain, Heavy Series No, Includes (1) Connecting Link, Lubrication SAE 10 to SAE 50. This item has been restricted from sale in the following state (s): []