Wealers Versatile Fishing Rod Holder For Boat Casting with Steady Multi-Positional Mounting And Large Clamp Opening Adjustable 360 Degree Baitcasting Or Spinning Rods Rack Folding Cast Holder GREAT QUALITY: Wealers Clamp on holder is constructed of high quality heavy duty palymer LARGE CLAMP OPENING: Max. opening 4.75" Universal Mount: Can be clamped onto a railing, a boat or a kayak, etc. TWIST AND LOCK: Versatile twist lock tube allowing optimal rod tip placement and Keep your rod safe and steady ADJUSTABLE: Can Adjust 360-degree angle vertically and horizontally, very easy set up, Makes fishing much easier and enjoyably ADVANCED DESIGN: Can adjust rod angle / Compatible with both baitcasting and spinning rods