Yah, the HDS/Ralights "Twisty" is probably one of the most rugged designs you can find. Makes sense since Henry is involved in the spelunking and SAR communities.
For example, check out the shock protection in front, behind and around the edges of the extra think window, protected by a stainless steel bezel. Potted electronics, shock protection for the battery...
Ra Twisty, exploded viewAnd Henry's electronics and designs have been honed over the years starting with the
Action Light, then he did the design for the
Arc 4, then released the HDS EDC series which evolved into the
NovaTac lights, and now the Ra Twisty and upcoming Ra Clicky.
As it stands, my HDS EDC Ultimate 85 goes with me everywhere.
-john
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