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 identification
Small cap allows tubes to be spaced closely together in racks and storage boxes
Frosted Cap and writing panel allows for an extra writing room and is resistant to smearing.
Ultra-clear resin makes visualizing samples easy.
Rated to 20,000xG
Autoclavable
Certified free of RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free.