You are bidding on a very nice W & H/Adec non fiber optic swivel coupler. It is in excellent condition and fits TA96 & TA98 handpieces and possibly other models. These sell in the catalogs for $250, buy this one for a fraction of that price. Buy with confidence, happy bidding.  These items may be subject to FDA regulation. Bid only if you are an authorized purchaser, Thanks.