TEC-T3-6X Isotope Triode Fob color-blueberry black ink refill is the

black ink refill is the perfect way to experience everything the Ko-Axis™ has to offer

76 mm] diameter 6Al-4V grade titanium rod

This brass bead has a stonewashed tumbled finish

and bead blasting

irreplaceable

TEC-T3-6X Isotope Triode Fob color-blueberry black ink refill is theIMPORTANT NOTE: This product DOES NOT include tritium vials. Please refer to our Tritium Primer to learn more about tritium and where to purchase it. The versatile TEC Isotope Triode Fob is designed to hold several glass tritium vials (not included), which will glow continuously for many years without the need to charge it from sunlight or UV light. This version of Isotope Fob has 3 individual bores to house the tritium, hence the nickname "Triode".