IM ELITE GERMAN HYSTEROSCOPY DIAGNOSTIC SHEATH IS REUSABLE AND AUTOCLAVABLE AND IT IS AVAILABLE FOR 4MM AND 2.9MM HYSTEROSCOPE DIAMETER. IT HAS SINGLE WATER INFLOW INLET AND ROTATABLE, IT COMES WITH AN ERGGONOMIC DESIGN WHICH MAKES MORE HELPFUL TO SURGEON, IT EASY FOR THE SURGEON TO HOLD THE INSTRUMENT PROPERLY IN HIS HAND.