30 Inch Light Blue Coated Finish #3 Ball Chain Necklaces 10 Count 10 ball chains with matching connector included and already attached to each #3 size chain has a bead diameter of 3/32 inch (2.4mm) #3 chain is the best size for dog tag chains Light Blue Epoxy Coating over Steel Base Made in USA by Ball Chain Manufacturing Since 1938. We are the manufacturer, not a reseller.