The Dark Matter IO Casting Rods are built for anglers who demand modern design, refined ergonomics, and serious performance. Every detail of the IO series has been carefully designed, from the acid-wrapped Fuji K Guides to the precisely contoured fore and rear grips and low-profile Fuji reel seat. A distinctive crosshatched blank finish completes the clean, technical look. At the core of the series is a lightweight yet powerful M3 NanoCarbon blank built to load smoothly and efficiently under pressure. The blank stores energy throughout its length, delivering strong hook-setting power and exceptional lifting ability without sacrificing sensitivity or balance. This makes the IO series well-suited for demanding offshore and bottom-fishing applications where control and power are critical. built to perform in heavy current and deep water, the Dark Matter IO Spinning Rods provide the backbone needed to move fish away from structure while maintaining a responsive feel. The result is a purpose-built rod that blends modern styling with high-end performance for serious anglers.