Fish On Single Rod Holder - The Absolute Original. The Fish-On! Rod Holder set the standard for adjustable rod holders, and continues to lead the pack. With well over a MILLION rod holders sold, the Fish-on! Rod Holder is in a class by itself. Produced by Tempress Marine Adjustable, with 360 degrees of horizontal adjustment, and 90 degrees of verticalEnlarged opening creates a hook setting motion when removing your rodSliding locking ring to secure your rodEquipped with a side mount ready for installation and use