This autoclavable rotatable multi rack moulded in polypropylene is a combination of four modules providing spaces for different sizes of test tubes and centrifuge tubes. These modules can be rotated in different directions to accommodate different types and sizes of tubes at the same time. 1st side – 2 wells with 30 mm for 50 ml tubes 2nd side – 10 wells with 13.5 mm for 10-13 ml tubes 3rd side – 8 wells with 20 mm for 10-15 ml tubes 4th side – 6 wells with 16.0 mm for 15-20 ml tubes