Compatible with all Fish-On! accessory mounting options, and like our other rod holders, a side mount accessory is included. Molded from commercial grade polymers for years of trouble-free use. New design features include: double reel seat, quick-twist lock ring, ergonomic adjustment knob, and front notch for spinning rods. Adjustment from vertical to minus 10 degrees. Accommodates spinning reels, bait cast and spin-cast reels. Wider opening for larger diameter rod butts.