Interchangeable shafts and handles (any shaft fits any handle). Handles # pencil and pistol grips with either hand or foot control. Shafts # wide range of different types of electrode tips. Nine are for use through a 5mm diameter ENDOPATH Surgical Trocar or a larger trocar with a 5mm reducer. Three are for use through a 10mm diameter ENDOPATH Surgical Trocar. Compatible with commonly used irrigation and suction devices and monopolar electrosurgery units (ESU).