MBP 1.7 mL Microtubes by Molecular Biology Products are conical tubes graduated from 0.1 to 1.5 mL and rated to 16,700 × g, with a SnapLock cap that seals securely and accepts a syringe needle. Choose clear, amber, colored or Spectrum Pack tubes, in unit or bulk packs, sterile bags or Maxymum Recovery versions, all RNase- and DNase-free.