Steel, stainless steel, cast iron sprockets and platewheels in compliance with DIN and ASA for single, double, and triple from 5mm-to 2”pitch. Taper Lock sprockets for single, double and triple from 3/8”-to 1”1/4 pitch and THF TEETH too. THF hardened tooth sprockets from 3/8” to 1” pitch with finished bore, keyway, and setscrew hole.