Roller Attachment Link, Chain Construction Riveted Pin, Material Steel, Chain Overall Width 21/32 in, Chain Number 40, Roller Diameter 5/16 in, Finish Nickel Plated, Pitch 1/2 in, Link Type Offset, Number of Strands 1, Application Business Machines, Food Processing Equipment, Printing Machines, Textile Machines, Heavy Series No, Inside Width 5/16 in, Lubrication Light Oil Preservative, Maximum Operating Temperature 350 Degrees F, Minimum Operating Temperature 0 Degrees F