This is the versatile Oneway Talon chuck body only but with threaded insert. This allows you to use different jaws without changing jaws or buying a complete extra chuck.
What is missing: the worm screw and a set of jaws. What you get: chuck body, key, Allen wrench and the threaded body for your lathe.
This size of chuck is excellent for mini, midi and lighter weight lathes. For larger lathes you should consider the Stronghold.
Alan carries the small spigot jaws, tower jaws, mini-Jumbo jaws and more. For jaws not listed on this site contact Alan directly for jaws and pricing info.