Adapter for 2.5 to 5 mm NMR Capillary

For use with capillary series NE-262-, NE-263- and precision thin-wall 5mm NMR sample tubes and all Micro Tubes.  Made of PTFE with a blind hole to hold and seal the capillary.  An internal thread in the top end of the Adapter accommodates the Extraction Rod, NE-341-5.