Roller Chain, Chain Construction Riveted Pin, Overall Length 100 ft, Material Steel, Chain Number 40, Chain Overall Width 0.654 in, Roller Diameter 5/16 in, Tensile Strength 3,900 lbf, Pitch 1/2 in, Application Business Machines, Food Processing Equipment, Printing Machines, Textile Machines, Number of Strands 1, Pin Contruction Riveted Pin, Pitch Type Single Pitch, Inside Width 0.309 in, Series NP, Features Economic, High Strength Solution in Mildly Corrosive Environments, Improve Overall Life