K. S. Wing #4
This item has been moved to https://cdm.llu.edu/digital/collection/p17224coll14/id/81/rec/2
One of four basic K. S. Wing designs. Stainless steel wire core covered with molded natural rubber. No cervical threads. In this design, the arms have been extended from the bulbed ends of design #2. "Wing" is stamped into the rubber on the stem.