We have a wide variety of attachments to chose from there are four ball chain attachment avaiable: Type B,Type D,Type A coupling,pls refer the above pictures accordingly.  

Second picture-Type B coupling; May be used to join ends of chain to make endless assemblies. May also be used with jump rings to attach parts such as sink stoppers, etc. to our chain. Size of hole in coupling makes it possible to form adjustable loop at end of chain; ideal for use on damper controls and merchandising displays. Various hole size are available.

Third picture-Type A coupling; Used to attach our chain with a screw, blot or rivet, i.e. machine caps, etc. Offset couplings provide flush assembly.

Fourth picture-Type D coupling; These have the same general use as type 'A' couplings. Provides a flexible, swiveling, permanent attachment.

first picture-ball chain connector; These are used to join ends of chain to make endless assemblies for key chains, neck chains etc.  Also acts as a connecting link to splice lengths of chain.