Features: - The RCS Children files is professionally designed to be in accordance with children's dental characteristics. - It is made of soft material and has a short length, and it will not damage children's teeth and gums, making the root canal treatment more comfortable and safe. Specifications: - Speed: 350-450 RPM. - Torque: 2.0 N.cm. - Length: 25 mm. Pack contains: - 1 x #10C. - 1 x #12D. - 1 x #17-08. - 1 x #20-04. - 1 x #25-04. - 1 x #30-04