Imported high quality dental raw materials. Cross section type and ISO size are clearly marked on each handle. Silicone stoppers: pre-mounted silicone stoppers used for length determination in root canal, made from high quality dental raw materials. With rectangle cross section design, cleaning the root canal more integrally. Special steel alloy with uniform structure for maximum resistance to fracture and maximum flexibility. Stainless steel needle makes shaping more aggressive and stable. The inactive tip conducts the instrument safely along the canal. - Size : #15-40. - Length : 25 mm. **For further product information, please contact Chat Support**