Connecting Link, Chain Construction Riveted Pin, Material Steel, Chain Overall Width 53/64 in, Chain Number 40, Roller Diameter 19/64 in, Finish Nickel Plated, Pitch 1/2 in, Link Type Connecting, Number of Strands 1, Heavy Series No, Inside Width 5/16 in, Maximum Operating Temperature 150 Degrees F, Minimum Operating Temperature 10 Degrees F, Pin Contruction Riveted Pin, Pin Hole Diameter 5/32 in, Pin Outside Diameter 5/32 in, Plate Height 15/32 in, Plate Thickness 1/16 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -