The Extreme Max 3006.8627 Adjustable Fishing Rod Holder for Kayaks with Rotating Fixed Mount is compatible with most rods, reels, spinning reels, open-faced reels, baitcasters, and more. The holder's post is designed to be mounted at any fixed angle and the angle can be adjusted at the base, letting you fully customize to your setup. The base attaches to any flat surface or track base, such as a boat gunwale or the Extreme Max aluminum Slider Base and nylon Slider Trax series bases.