As an Amazon Associate, we earn from qualifying purchases. Home » Cole-Parmer » EW-67101-00 Reversible Microcentrifuge Racks, 64 Well. Tube size 0.5 mL microcentrifuge tubes and 1.5 to 2.0 mL tubes, Tubes held... Cole-Parmer . EW-67101-00 Attributes Brand name, Manufacturer name, ManufacturerCole-Parmer