Offset Roller Chain Link, Type Single Strand, ANSI Chain Size 50, Pitch 0.625", Inside Pin Dia. 0.2", Material Carbon Steel, Temp. Range 15 to 300FSpecificationMaterial : Carbon Steel Temp. Range : 15 to 300F WARNING:California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.