Anatometal threaded balls have a self-locking feature build in to help keep them securely in place.
Available in implant grade stainless per ASTM F-138 or implant grade titanium per ASTM F-136 in a variety of colors.
<a class="ctb" href="/jewelry/threaded-balls/?pic=0004"><img id="active" src="/z-pPics/jewelry-threaded-balls_0004.gif" alt="jewelry threaded balls 0004" width="75" height="46" /></a><a class="ctb" href="/jewelry/threaded-balls/?pic=0003"><img src="/z-pPics/jewelry-threaded-balls_0003.gif" alt="jewelry threaded balls 0003" width="75" height="46" /></a><a class="ctb" href="/jewelry/threaded-balls/?pic=0002"><img src="/z-pPics/jewelry-threaded-balls_0002.gif" alt="jewelry threaded balls 0002" width="75" height="46" /></a>