A. Titan Instruments # WHO-23
Benco Product # 5199-680
Country of Origin: United States
Double ended instrument with a WHO probe on one side with markings at 3.5-5.5-8.5- and 11.5mm and a #23 explorer on the other. The color coded black markings will not chip, flake, or fade. Made in the United States from 100% stainless steel.