Dark Matter IO731M-S IO Spinning Rod 7'3" 20-25lb. Swing All models have wrench flats

All models have wrench flats or an end notch

The 4000 and smaller sizes have 8 CRBB

we mean it

and Air Drive Shaft

Dark Matter IO731M-S IO Spinning Rod 7'3" 20-25lb. Swing All models have wrench flatsDark Matter 7' 3" IO Spinning Rod, 20 25lb. The Dark Matter IO Spinning Rod series represents the pinnacle of purposefully built modern rod manufacturing. Everything about this incredible series has been thoughtfully placed with intent. From its acid wrapped Fuji K Guides and precisely measured and subtly contoured fore and rear grips to its low profile Fuji reel seat and stylish crosshatched blank design the Dark Matter IO series rods left no stone