Feature: 1. Convenient for positioning the length of the root canal, an important and practical dental tool. 2. Can withstand high temperature cleaning, healthy and safe. A set of root canal file are available, meet your use needs. 3. It can be used to remove the obstruction of the root canal orifice during dental treatment, form a straight channel. 4. Designed with fixed plastic washer and handle, non‑slip handle, easy to hold and use, bring you convenience. 5. Light weight and portable, easy to carry when going out, suitable for professional places such as dental clinics. Specification: Condition: 100% Brand New Item Type: Root Canal File Material: Stainless Steel Size and Quantity: 21mm / 0.8in 6pcs / Box, 25mm / 1in 6pcs / Box Purpose: To remove the obstruction of the root canal orifice in dental treatment to form a straight channel.. Package List: 6 x 21mm Root Canal File6 x 25mm Root Canal File Note: It is best to use a root canal file only 5 times after cleaning.