Features: - Suitable for the endo files system. - Great bio-compatible under strict examination. - High radiopacity to observe the filling of root canals. - Good flexibility for available entrance into tiny and curved canals. - Made of rubber, good plasticity, soften heated by 40C, hardened after cooling, tightly packed, good tissue affinity, according to ISO standard, size can be rectified by the top's color, it can be easily taken out from the root canal. Pack contains: - 10 x F1. - 20 x F2. - 10 x F3. - 10 x F4. - 10 x F5.