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 C2052, Chain Overall Width 0.855 in, Roller Diameter 13/32 in, 3/4 in, Tensile Strength 4, 410 lbf, Pitch 1 1/4 in, Number of Strands 1, Pin Contruction Hollow Riveted Pin, Pitch Type Double Pitch, Inside Width 0.375 in, Series Hollow Pin Conveyor, Working Load Limit 705 lb, Features This Single-Strand Roller Chain is Designed to Help Transfer Motion From One Set of Sprockets to Another