1、Customized for Larger Fish Finders: The fish finder mount with 11in mounting plate provides a weight capacity of 15.5 lbs at rest and 4.5 lbs at motion for larger fishfinders. Heavy duty multi angle drill base stand mounting solution for fish finder, GPS chartplotters and more. The AMPS hole pattern is designed to install directly in a boat, kayak or on any flat surface. 2、Built to Last: Constructed of powder coated marine grade aluminum and stainless steel hardware. The mount has been salt spray tested for thousands of hours to resist high salt water erosion. Cast in one piece of aluminum rather than screwed together, it remains strong even under the impact of waves. 3、Compatibility: Compatible for Elite‑9 CHIRP, for Elite‑9 Ti, for Elite‑9 Ti², for Elite‑12 Ti, for Elite‑12 Ti², for HDS Carbon 9, for HDS Carbon 12, for Hook²‑12, other fishfinders and GPS chartplotters. Compatible for C120, for Axiom 7, for Axiom 9, other fishfinders and GPS chartplotters. 4、Stable Support: The larger sphere design provides greater clamping force for larger fittings. After tightening the switch, the mounting plate will be very stable and will not come loose. 5、Easy Install: The fish finder mount is designed with a flat surface with pre drilled holes, which is compatible with various models. Quick release and easy installation. Universal swivel ball head bracket is very flexible. Item Type: Fish Finder Mount Material: Aluminum Alloy Ball Head Diameter: 3.8cm / 1.5in 1 x Fish Finder Mount