The present invention relates to an apparatus and method which enables a technician to hold {HEAD ~ a microcentrifuge tube} in {TAIL ~ one hand}, and to open and close the cap without requiring a second hand 
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The present invention relates to an apparatus and method which enables a technician to hold { HEAD ~ a microcentrifuge tube } in { TAIL ~ one hand } , and to open and close the cap without requiring a second hand
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH