2128-1000 - Connector For #3 Beaded Chain 500 Per Pack This nickel-plated steel beaded chain connector is made from sturdy material. The beaded chain connector fits a 2.3 mm bead. The beaded chain connector goes great with the nickel-plated steel beaded chain on a spool, which is sold separately. Bead size: No. 3 (2.3 mm)