This size coupling works with both the #3 and #6 size chain., Used for the same general purpose as 'A' couplings (to attach ball chain with a screw,
6 (3.2 mm) Nickel Plated Steel Ball Chain Spool
50-Pack Nickel Plated Brass #6 Ball Chain Connectors, Silver Couplings for Fan Pulls and Keychains
Bell End for #3 3/32in. & #6 5/16in. Thick Beaded Chain - Unfinished Brass
24 Inch Nickel Plated Steel Ball Chain Necklaces
Ball Chain Brass Pull Connectors-ANTIQUE BRASS / BRONZE #6 3.2mm (50 pieces)
6 Ga. High-Temperature Ring Terminals, 1/4 Stud - (Pack of 5) : Industrial & Scientific
Antique Brown #6 Ball Chain Fan Pull Loop Connectors
Silver Nickel Plated Brass #6 Ball Chain Fan Pull Loop Connectors
M12 Connectors, Male, Straight, Brass Nickel Plated, Inline Body, Solder Terminal
6 Yellow Brass End Ring Connectors - Ball Chain Manufacturing
10 Antique Brass 6 Ball Chain Fan Pull Loop Connectors, Ceiling Fan Pull Chain Connector Link, A Couplings for DIY Fan Replacement Pulls - Finland
1 Nickel Plated Steel Ball Chains - 30 Inch
EXIOS +Standard nickel-plated brass