TruNatomy rotating file system is specifically designed to respect the natural anatomy of the root canal system to preserve as much dentin as possible. Only one cleansing file is needed for most treatments - the TruNatomy cleansing file is available in 3 sizes (Prime, Small, Medium) and “Prime” is the most common. Package contains TruNatomy Conform Fit gutta-percha points, size: Medium, 60pcs.