- New generation files combined heat-treatment files with heat-activated. - 200% improved in durability, cutting efficiency, and fracture resistance. - Superior quality and best cost-effective for you. - Torque: 2.00 N/cm. - Length: 25 mm. Pack contains: - ST. - PF. - E1. - E2. - E3. - E4. **For further product information, please contact Chat Support**