ULAB Scientific Glass Beakers Shot Glass, Vol. 50ml, 3.3 Borosilicate Griffin Low Form with Printed Graduation, Pack of 12, UBG1013. ULAB Scientific Glass Erlenmeyer Flask Set, 5 Sizes 50ml 150ml 250ml 500ml 1000ml, 3.3 Boro with Printed Graduation, UEF1002. ULAB Stainless Steel Test Tube Racks, Z Shape, 25 Holes (5×5), Pack of 2, UTR1007.