TEC Accessories Isotope Reactor Fob for mounting multiple glass tritium vials. These Pocket Knives from the skilled professionals at TEC Accessories are formulated using cutting edge blade materials that will retain an edge for extended periods of time before requiring attention. The handle on the TEC Accessories Isotope Reactor Fob has been constructed to deliver the ultimate hold in pretty much any situation. Here at OpticsPlanet it is our objective to be certain that you depart satisfied and the TEC Accessories Isotope Reactor Fob is one of many folding pocket knives that we are proud to be able to offer our customers. For a great way to make certain that you are cutting with some of the best knives on the market pick the TEC Accessories Isotope Reactor Fob. Features of TEC Accessories Isotope Reactor Fob Borosilicate glass window suitable for mounting multiple glass tritium vials (tritium vials not included). (3) bores equally spaced around center spindle shaft. Each bore can hold (1) 3mm x 23mm vial. 0.472" outside diameter. Comes with (5) glass window O-rings (2) spindle groove O-rings (2) glass windows and (1) split rings for attachment. Bulk packed. Package Contents: TEC Accessories Isotope Reactor Fob TEC Accessories TEC-T323-3W: Isotope Reactor Fob for mounting multiple glass tritium vials