Photo 1 of 12 PCS BOROSILICATE GLASS TUBES OD 12MM 12 INCH LONG CLEAR GLASS BLOWING TUBES BULK 2MM THICK WALL GLASS TUBING FOR BLOWING GLASS PIPES 1 12 MM 12 INCH

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Photo 1 of 12 PCS BOROSILICATE GLASS TUBES OD 12MM 12 INCH LONG CLEAR GLASS BLOWING TUBES BULK 2MM THICK WALL GLASS TUBING FOR BLOWING GLASS PIPES 1 12 MM 12 INCH Photo 2 of 12 PCS BOROSILICATE GLASS TUBES OD 12MM 12 INCH LONG CLEAR GLASS BLOWING TUBES BULK 2MM THICK WALL GLASS TUBING FOR BLOWING GLASS PIPES 1 12 MM 12 INCH Photo 3 of 12 PCS BOROSILICATE GLASS TUBES OD 12MM 12 INCH LONG CLEAR GLASS BLOWING TUBES BULK 2MM THICK WALL GLASS TUBING FOR BLOWING GLASS PIPES 1 12 MM 12 INCH