- DM RET files are designed to be used in sequence to remove filling materials. - Each handle is no more than 11 mm for visibility. - M-Wire NiTi alloy for increased flexibility and resistance to cyclic. Pack contains: - 2 x size #30 taper 0.9. - 2 x size #20 taper 0.7. - 2 x size #25 taper 0.8. **For further product information, please contact Chat Support**