Manufactured from virgin polypropylene these microcentrifuge tubes ensure sample integrity and security during boiling, freezing, incubation and centrifugation.

• Hinged locking ball reduces stress on the thumb
• Smooth locking surface reduces the possibility of ripped or torn gloves
• Graduation marks on the microcentrifuge tube allow for effective sample reference
• Sterile product is certified free of RNase, DNase, DNA, ATP, bioburden and endotoxins
• Nonsterile product is certified free of RNase, DNase, DNA and pyrogens

Exceptionally stable performance under the stress of centrifugation preventing tube breakage. Simple one-hand operation snaps the hinged cap closed and slides the locking ball into place safeguarding valuable samples.