... quality reverse osmosi Plastic Tube cutter 2: Small tool easily to change the pe tube. 1: High-quality reverse osmosi Plastic Tube cutter2 ... polyethylene, nylon, or polypropylene tubing with this easy-to-handle, razor-edged tube cutter. It closes automatically, assuring clean and square cuts ... use. Insert the tube to desired length, allow tube cutter to close, then apply pressure until the tube is cut ...