Linx Stainless Steel Open Bangle Available in Silver, Yellow Gold, and Rose Gold. One size fits most. This bangle is 3mm in diameter and is compatible with all Linx brand charms, and most other brands of standard size charms as well. Simply unscrew the ball on the end of the bracelet, add your charms and then screwed the ball back on. Your bangle will arrive in a luxury, velvet, Linx Jewelry Company jewelry pouch.