Specification: O.D. 14mm/0.55'', I.D. 10mm/0.47'', length: 500mm/1.64ft; Color: blue without fluorescent light. PETG tubing for PC water-cooling system. PETG tube fit for indoor and outdoor PC water-cooling configurations. Round PETG tubes are easy to cut with a fine-toothed hacksaw (not included) and the material also can be recycled and re-use. Please note: After cutting the tube to a suitable size, please perform primary grinding on both ends of the tube body, be sure to keep the cut smooth