The highly precise Osteo 19S is recommended for small osteotomies.
This model of PiezoHelse tip fits Bonart, NSK, Brasseler, Satelec, Vista, Sybron Endo and Obtura Spartan regular ultrasonic units (S-Thread option).
This model cannot be used with Piezotome units from Acteon Satelec neither with Mectron, Variosurg, Woodpecker, DM Tech and PiezoART piezo units - the threads are not compatible.