Only One File R40 31mm 6pcs

Reciprocating endodontic file designed for mechanical root canal preparation with enhanced durability and flexibility. Features 2-3 times greater resistance to cyclic fatigue compared to conventional reciprocating instruments and 30% improved flexibility for navigating curved canals. The R40 size is part of a color-coded system (R25 red, R40 black, R50 yellow) for easy identification. Package contains 6 files of 31mm length.