TEC - S311T Isotope Tandem Fob - Tritium / Trits Holder Color:Black Diamond This makes the perfect glow

This makes the perfect glow marker or "find in the dark" feature to anything it is attached to

--- 2 Gear Mode Brightness Can Be Adjusted At Will

this Isotope accepts TWO standard 3mm x 23mm tritium vials for twice the brightness and twice the color

easily accessible EDC lanyard made to be at your side everywhere you go

TEC - S311T Isotope Tandem Fob - Tritium / Trits Holder Color:Black Diamond This makes the perfect glowPLEASE READ!!!! This item DOES NOT include Tritium Vials. The TRITIUM VIALS are in ANOTHER POST. You can check the ADD ON DEALS. Size for this is 3mm dia x 11mm. If you can't find the Tritium Item post, please message us. The unique & versatile TEC S311T Isotope Tandem Fob is designed around the use of a glass tritium vial (not included), which will glow continuously for many years without needing to charge it from sunlight or UV light. Similar to the