The Precision Sonar Telescoping Swivel Mount - Double Monitor offers a secure and versatile solution for mounting dual monitors, perfect for anglers needing adjustable and stable monitor positioning. This mount's telescoping feature allows for custom height adjustments, ensuring your electronics are always within view, whether seated or standing. Choose the short or tall version to fit your boat setup and preferences. With its 360-degree swivel capability, the Precision Sonar Telescoping Swivel Mount provides optimal monitor positioning and robust stability, even in the roughest waters. Its heavy-duty construction ensures long-lasting durability, making it a reliable investment for your boat setup. The straightforward installation process means you can start fishing without delay. Upgrade your boat setup with this double monitor mount and keep your sonar and mapping systems at your fingertips, knowing they're secure and stable.Adjustable telescoping feature for custom height360-degree swivel for optimal monitor positioningThe overall height of the short mount is 13 1/2' when down, and telescopes up to 20'The overall height of the tall mount is 19' when down, and telescopes up to 30' when fully extendedThe mounting plates are pre-drilled to fit all factory brackets except for the Humminbird Helix 7