Roller Chain, Chain Construction Riveted Pin, Overall Length 10 ft, Material Steel, Chain Number 41, Chain Overall Width 0.579 in, Roller Diameter 5/16 in, Tensile Strength 2,640 lbf, Pitch 1/2 in, Number of Strands 1, Pin Contruction Riveted Pin, Inside Width 0.25 in, Series Standard Riveted, Working Load Limit 500 lb, Features This Single-Strand Roller Chain is Designed to Help Transfer Motion From One Set of Sprockets to Another, Heavy Series No, Includes (1) Connecting Link