California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Connecting Link, Chain Construction Riveted Pin, Material Steel, Chain Overall Width 61/64 in, Chain Number 12B, Roller Diameter 15/32 in, Pitch 3/4 in, Link Type Connecting, Number of Strands 1, Features Flat Shape Link Plate, Heavy Series No, Inside Width 29/64 in, Lubrication SAE 10 to SAE 50, Maximum Operating Temperature 300 Degrees F, Minimum Operating Temperature 15 Degrees F, Pin Contruction Riveted Pin, Pin Outside Diameter 7/32 in, Plate Height 41/64 in, Plate Thickness 1/16 in. This item has been restricted from sale in the following state (s): []