here is a fiber optic kavo 642 dental handpiece in very nice condition with light wear. there is an id mark on the handle which is shown in the last picture.  the fiber optics are in excellent shape.   this handpiece has been cleaned, and tested.   this handpiece is warrantied for 30 days.    if you have questions about this auction contact us at any time so we can be of help.  we provide free shipping within the united states on this auction