Tube Revolver test tube rotator, with LED speed display, incl. 2 turntables for 7 centrifuge tubes 15 ml, 2 turntables for 7 blood collection tubes 5/7 ml, 2 turntables for 15 reaction vials 1.5/2.0 ml, 2 turntables for 21 reaction vials 0.5/0.8 ml, 1 turntable for 6 centrifuge tubes 50 ml