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 C2120H, Chain Overall Width 2.406 in, Roller Diameter 7/8 in, Tensile Strength 34, 000 lbf, Pitch 3 in, Number of Strands 1, Pin Contruction Riveted Pin, Pitch Type Double Pitch, Inside Width 1 in, Series Double Pitch Conveyor, Working Load Limit 5, 380 lb, Features This Single-Strand Roller Chain is Designed to Help Transfer Motion From One Set of Sprockets to Another, Heavy Series Yes