Pac-Dent's Endo Aid Kit allows clinicians to easily measure, place, clean, and store endodontic rotary files and hand files during chairside procedures. Features a removable ruler, two file holders, and a one size fits all ring. Ideal solution to reduce the risk of cross-contamination and injury from sharp files passed between staff. Each kit includes 25 lavender and 25 gray disposable triangle foam inserts.