Tiffany Oval Clasping Link Spring Jump Ring Extender

Tiffany Oval Clasping Link Spring Jump Ring Charm or Bracelet Necklace Extender.
the bracelets that these links come from only have ONE link with the Tiffany & Co hallmark, the rest do not. When purchasing please acknowledge that you know this will NOT have the Tiffany stamp Thanks!!
Authentic Tiffany & Co Sterling Clasping Link.
Measures 0.74" long and weighs 1.6 grams
Opening is approximately 2mm