Add some personal flair to your pull switches to your lights or fans. These beautiful, decorative light pulls act as a pull chain extension or replacement. Simply remove the boring ornament from your current ball chain and connect these two for the lamp and for the fan. 12 Metal Ball Chain. They each come with a ball chain connector for you to add them to the existing chain. The ball beads measure 3.2mm (the average size of many pull chains for ceiling fans) so be sure to check the size of your current chain. Largest measurements 14.12 x 1.6 x 0.24. Other measurements are shown in photos. If the chain is too long, it can be cut to desired length.