Case of 48.   25 x 200mm (1 x 8 inches) Borosilicate glass test tube, tube has rounded bottom, rolled-top lip and holds 72ml. Size is given with  OD (Outside Diameter) first then length. All measurements are approximate. OD measurement may vary by up to 1mm.

Test tubes have been featured as vases in many magazines. Many people use these tubes for storage or packaging in addition to science experiments. This offer is also great for teachers, students, amateur scientists, craftsmen, laboratories, and kitchens. pk 48 Cork stopper #11, Rubber stopper #4 will fit this tube (Corks & Stoppers Sold Separately).