#23/6 Double End Explorer With Regular Handle. The HSB - Explorer Double-Ended #23/6 is an essential instrument for dental professionals. Crafted with an AISI 410 handle and tips made from AISI 440 stainless steel, this double-ended explorer is designed for optimal functionality and durability.Perfect for accurately detecting caries, assessing calculus, and exploring the characteristics of dental pockets, furcations, and restorations, this tool contributes to effective diagnostics and treatment planning in oral healthcare.