PRECISION TUBES, NOT FURTHER WORKED THAN CALIBRATED, DECLARED BY THE APPLICANT AS MEETING THE REQUIREMENTS OF ISO STANDARD 3306 WITH A WALL THICKNESS NOT EXCEEDING 2MM. THE TUBES ARE 3.75 METRE HOLLOW TUBE/PIPE OF CARBON STEEL. THE PRODUCT IS COLD ROLLED, WELDED WITH SEAM AND WITHOUT INSULATION. THE TUBE/PIPE HAS CIRCULAR CROSS-SECTIONS AND IS USED AS A SLEEVE TO ROUTE AND PROTECT ELECTRICAL CABLES. THE WALL THICKNESS IS 1.6MM. THE TUBE IS THREADED ON BOTH ENDS AND COMES WITH ONE COUPLER ATTACHED WHICH ALLOWS OTHER LENGTHS OF TUBE TO BE ATTACHED WHEN NECESSARY. A PLASTIC CAP IS ATTACHED TO THE OTHER END FOR PROTECTION DURING TRANSPORT. THE LENGTH OF THE THREAD IS A MINIMUM 13MM AND A MAXIMUM OF 15MM AND IT HAS AN EXTERNAL DIAMETER OF EITHER 20MM OR 25MM.

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. CNEN TO 7606 30 11. THE TEXT TO TARIC CODES 7306, 7306 30, 7306 30 11 AND 7306 30 11 00.