The most flexible tube rack designed for use with a multitude of tube diameters and heights. Holds virtually any brand tube 10-30 mm of varying heights * Holds virtually any brand tube 10-30 mm of varying heights * Unique well design tear drop shape allows for better retention of tubes * Alphanumeric grid for quick sample identification and retrieval * Angled position for more comfortable pipetting * Ergonomic handles for ease of transporting the rack * Lower position is ideal height when working with shorter microcentrifuge tubes Multiple Configurations for Workflow Efficiency * Interchangeable tube rack inserts hold multiple tube sizes firmly in place when alternating between sample vessels * Inserts can be pivoted in either an upper or lower position to securely accommodate the size and height of tube being used Multi-Functional Design * Open design allows for better filling visibility of tube graduations when filling * Rack wells have a unique teardrop design that enables better retention of tubes over traditional designs * Rotate tube rack insert to an angle position to facilitate more comfortable pipetting SPECIFICATIONS: * Autoclavable: True * Color: Blue * Dimensions (L x W x H): 12.2 x 4.2 x 3 in (30.9 x 10.7 x 7.7 cm) * Includes: 1 Base, 6 Tube Rack Inserts (2 of each diameter) * Material: Polypropylene * No. of Wells: 20, 20, 6 * Quantity: 1 Each * Well Diameter: 13, 17, 30 mm