AANIJ Pinch dip moulded in polypropylene is the best in class ON/OFF rather clamp that can be used with tubing having O.D. 4 mm to 10 mm. These Pinch clip scan be auroclaved. Material: Polypropylene Plastic Tube Pinch Clamp Clips Hose Robert Flow Control Valve Clip It has 6 flow control modulations. Applications: it has various applications, such as garden plant irrigation, wine siphon process control and etc.