#5 double end explorer with regular handle. The HSB Explorer DE #5 is an essential tool for dental professionals, offering a double-ended design that enhances detection capabilities. Featuring a durable handle made from AISI 410 and high-quality AISI 440 tips, this instrument combines a #17 end specifically for subgingival calculus detection and a #23 end ideal for identifying caries.Precision-engineered with a diameter of 6mm, this explorer ensures optimal performance and reliable results in diagnostics.