These dental explorer set of 8 pcs provides select set of instruments that are used to locate calculus deposits, tooth surface irregularities, defective margin on restorations, decalcified areas and carious lesions in the gums area. The Explorer Tips are made with high quality stainless steel and will remain sharp for multiple uses. The working tips can be resharpened using OSUNG sharpening stone (available separately). Explorer types included in this set are EXD5H, EXD5W, EXD17-23, EXD54-17H, EXDG16, EXD11-22, EXD3CH, and EXD2. All these instruments are available as a set and also available individually.