Click EDC PenBig Idea Design Titanium Click EDC Pen A titanium click pen built for true everyday carry. The Ti Click EDC from Big Idea Design is more than just a writing tool. Its the most refill compatible titanium click pen on the market, designed for reliability, comfort, and long term use. No caps, no twists, just a solid click and youre writing. With a custom internal mechanism made from titanium and brass alloy, this silent click pen is a fidgeter's dream!