I love this flashlight, the quality is outstanding! The slight ribbing from the machining makes it very tactile, and gives a bit more grip than a polished finish. The brass rings give a nice detail contrast as well.
I also have a Thrunite Ti4T titanium penlight, which I use a lot at work, in fact it was my second penlight, the first was a cheap alloy one that proved to be more trouble than it was worth, it rattled and flickered after a few minutes, so I bought the Thrunite.
That’s a much better light, but the pronounced on/off button is very prone to being accidentally turned on when carried in a pocket, so I now carry it in a pen ‘slot’ on a belt pouch.
The Lumintop button is much, much better, the very low profile makes it almost impossible to turn on accidentally.
Really very glad I joined the drop for this light.