Woodpecker US-II LED Ultrasonic Piezo Bone Cutter. Complete set including Main Unit with accessories, 2x LED hand pieces, and 14 cutting tips (one each: US1, US2, US3, US4, US5, US1L, US1R, UL1, UL2, UL3, UL4, UL5, UI1, UC1). Best used in Osteotomy, Extractions, Sinus lifts, Implant preparations. 2 year warranty on main unit and 1 year on handpiece (not including customer damages). Free repairs for issues covered by warranty. **No returns if it box has been opened.