08B12 Sprocket With Stock Bore 19-Tooth Sprocket This 08A roller chain is

This 08A roller chain is manufactured dimensionally to ANSI B29

Something else that is notable about this 08B20 sprocket is that it fully meets all ISO Standards

and precision A-Plate sprocket with 13 teeth that is manufactured out of high-quality steel

Tooth Count: 24

Pitch Diameter: 63

08B12 Sprocket With Stock Bore 19-Tooth Sprocket This 08A roller chain isThis 08B12 sprocket is a durable, high quality, and precision sprocket with 12 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this 08B12 sprocket is that it fully meets all ISO Standards, which insures proper contact between the 08B 1 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated