Hu-Friedy - Explorer Shepherds Hook #23 hdl #30 Fluoride Varnishes It contains 37% phosphoric acid

It contains 37% phosphoric acid and has a high viscosity

Rigid stable frame structure

making biological monitoring simple

304 and tips/shanks in AISI 440

If you are asking yourself what the #3A single end explorer is used for

Hu-Friedy - Explorer Shepherds Hook #23 hdl #30 Fluoride Varnishes It contains 37% phosphoric acidDeveloped for caries and calculus detection Examines furcations, restorations, and pocket characteristics Handcrafted using flexible and durable Duraspond steel Guarantees extra flexibility and resilience Explorers are specially engineered double ended dental instruments that spot calculus and caries and explore pocket characteristics, restorations, and furcations. These tools are built from handcrafted Duraspond steel which is a unique blended steel