It glows very nicely - better than I expected and it seems solidly made. I got a green one.
Good craftsmanship and brighter than I expected. Also very glad that it’s real tritium, not a knockoff, which is what I was worried about. Most products I find use rare earth metals and require charging but the spectra from this peaks at 528 nm, telling me this is real tritium that is producing beta radio-luminescence, with an electron from Zinc sulfide filling a 3d copper orbital. (Probably some Copper/Aluminum mixture.) Really glad to have found the real thing. It’ll glow for decades.
Works great looks great! Got 4 keys in mine with the spacers. Was a little more bulky than I expected but it still is slim enough for a clean profile on my key set up. Love the construction!
Pretty cool! Got these as gifts for a couple of my fellow military bros. We’ve used tritium lights at work so it made a good gift for them. They’re brighter than I’d expected. In the dark they’re very easy to spot, but faint when the lights are on. Good machining as well - they look good and feel solid. I’m buying a few more since tritium lights are hard to come by. Most products I see are rare earth metals that require light exposure first, but not these - they are the real deal. Always on with no requirement to be charged up. Awesome product guys.
Exactly as described. In the dark these glow brighter than what I’d expected and the colors are spot on. Measurements were exact - fit machined parts to the spec. Useful if you need a tiny light fit into your 3D printed parts.
A useful addition to a great key chain system
As an Aussie, finding tritium has sometimes felt like the hunt for the Bunyip. It’s hard enough to find providers, let alone someone you think you can trust. I took a chance on Ant Design and was NOT disappointed! Delivery was fast and efficient (despite the fact that I live in an area where delivery of packages is rare) and the packaging and product was as good as expected. Doubtless I will make another purchase through this website again.
With the alternate bearing it's so smooth, I like how it's modular too and it comes with parts to customize it.
Just got this lil guy today, felt like it took forever! ( It was like a week and a half 🤣) And was well worth the wait and the price! Being Ti its very lightweight (key rings feel heavier) but feels very solid at the sme time, and I love that the quick release is magnetic, it never hurts to have a lil help gettin back in the hole! 😉 Awesome purchase, I'll be lookin around at some more from you guys and keep up the quality work!
These things are amazing! A lil on the pricey side but considering what it is, I get it. You can see the glow even in daylight. They're a lil softer light than a glow stick but very easily seen in the dark and obviously should last a lot longer! I'll report back in 25 years🤣
neat little tritium fob. a little smaller than I imagined but that's on me. I would buy it again
It glows… barely… not even remotely close to what is in the advertisement.
very small
Hi Bill,
Thank you for your feedback! We provide the exact dimensions on our website, along with comparison photos featuring other items to help customers better understand the actual size before purchasing.
We appreciate your support!
Ant Design Team






























































