Description: 【Material】: Crafted from aluminum alloy, this Fish Finder Mount offers exceptional durability, making it suitable for long term use in boats, trucks, RVs, or industrial environments 【Adjustable Extension Arm】: Featuring a 10.3 inch extension arm with four points for adjustment, this Fish Finder Mount Base allows you to position fish finder, , and similar devices closer to your line of sight for optimal viewing angles 【Versatile】: Includes a T bolt track mounting base and adapter suitable for most standard track systems and other kayak or boat accessory rails. Easily slide and lock into place, ideal for kayaks, fishing boats, and adjustable gear setups 【Secure 1 Inch Ball Head System】: Equipped with a sturdy 1 inch ball head (B size), this Ball Mount Bracket ensures smooth and secure adjustments in vehicle or marine environments to achieve a great viewing angle 【Comprehensive Package Dimensions】: The product measures 26.2 cm x 6 cm/10.31 inch x 2.36 inch and comes complete with an extension arm and two ball heads in the package list for easy installation and setup Specification: Material: Aluminum Alloy Size Chart: 26.2 cm x 6 cm/10.31 inch x 2.36 inch Package Includes: 1 Extension Arm 2 Ball Heads Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.