California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Leaf Chain, Chain Number BL434, Chain Overall Width 0.677 in, Lacing 3 x 4, Overall Length 10 ft, Pitch 1/2 in, Tensile Strength 7, 900 lb/in, Hole Diameter 0.202 in, Lubrication SAE 10 to SAE 50, Material Steel, Maximum Operating Temperature 300 Degrees F, Minimum Operating Temperature 15 Degrees F, Pin Outside Diameter 0.2 in, Plate Height 0.472 in, Plate Thickness 0.08 in, Standards ANSI