Roller Chain, Chain Construction Cottered Pin, Material Steel, Chain Overall Width 1 17/64 in, Chain Number 08B, Roller Diameter 5/16 in, Pitch 1/2 in, Link Type Connecting, Number of Strands 2, Application Mechanical Drives, Pin Outside Diameter 11/64 in, Plate Height 1 15/64 in, 1 17/64 in, Plate Thickness 1/16 in, Standards ANSI B29.1, DIN8196, JIS1801