2.0mL Posi-Lock™ Graduated Microcentrifuge tubes feature a small, easy-to-open/close cap with the assurance of an audible "click" to know that your sample is secure. Boilproof Fits all standard 2.0mL centrifuge rotors, racks, and storage boxes Graduated every 100µL…

Posi-Lock™ Graduated Microcentrifuge tubes feature a small, easy-to-open/close cap with the assurance of an audible "click" to know that your sample is secure. Boilproof Fits standard centrifuge rotors, racks, and storage boxes Graduated every 100µL for easy volume…

0.6mL Posi-Lock™ Graduated Microcentrifuge tubes feature a small, easy-to-open/close cap with the assurance of an audible "click" to know that your sample is secure. Boilproof Fits all standard 0.5mL centrifuge rotors, racks, and storage boxes Graduated every 100µL…

1.7mL Posi-Lock™ Graduated Microcentrifuge tubes feature a large easy-to-open/close cap with the assurance of an audible "click" to know that your sample is secure. Frosted Large Cap and writing panel allows for an extra writing room and is resistant to smearing. Boilproof…