Description: Stailess Steel holders allow for transport of pipettors and/or tubes at once in a neat and efficient manner thus saving time. Pipettor Holder holds 3 major brand pipettors. Tube holder holds 1 - 50ml conical tube; 2 - 15 - 17 ml round bottom or conical tubes; and 4 - 1.5 - 2.0 ml microfuge tubes at one time.