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 Riveted Pin, Overall Length 10 ft, Material Steel, Chain Number 50, Chain Overall Width 0.878 in, Roller Diameter 13/32 in, Tensile Strength 7, 050 lbf, Pitch 5/8 in, Number of Strands 1, Pin Contruction Riveted Pin, Pitch Type Single Pitch, Inside Width 0.375 in, Series Neptune, Working Load Limit 1, 430 lb, Finish Coated, Heavy Series No, Includes (1) Connecting Link, Lubrication SAE 10 to SAE 50, Maximum Operating Temperature 302 Degrees F