... 1: High-quality reverse osmosi Plastic Tube cutter 2: Small tool easily to change the ... tubing with this easy-to-handle, razor-edged tube cutter. It closes automatically, assuring clean and square cuts ... . It may also be used with vinyl, teflon®, polyurethane, rubber, and silicone tubing. It ... Insert the tube to desired length, allow tube cutter to close, then apply pressure until the tube ...