SINGLE BARBELL WITH 2 STAINLESS STEEL BALLS, various colors (A QUANTITY OF 1 COMES WITH A SINGLE PTFE BARBELL AND 2 STAINLESS STEEL BALLS TO HOLD IT IN PLACE).

PTFE, polytetrafluoroethylene, is flexible, Nickel free wire.

It can be sterilized with autoclave.

It is hospital grade, non toxic, allergy free material.

PTFE is totally flexible, may cut to any desired length with a blade or scissor.

It is also self threading with any balls, spikes, or any other parts.

Just screw on to the PTFE wire, and make a treading which will hold very firmly.

These are sold in singles. If you need a pair for this item, update the quantity to "2".