This product will let you attach your Humminbird/Lowrance/Raymarine unit to your boat, kayak, etc. It includes a double socket arm, 2.5" diameter round base (with univerals AMPS hole pattern) and a Humminbird/Apelco adapter base.

The socket arm uses the RAM 1.5" ball system which is designed for heavier applications, and has adjustment points at both ends, giving you infinite viewing angles. 

This product is compatible with the following devices (last updated 21st February 2022):

Humminbird:
700 Series
600 Series
500 Series
300 Series
100 Series
Matrix Series (excluding Matrix 97)

Lowrance:
Elite-5
Elite-5M
Elite-5X

Raymarine:
Apelco Fishfinder with matching hole pattern

• Ball Size: 1.5" Rubber Ball Size
• Material: Powder Coated Marine Grade Aluminium
• Made in the USA and comes with a lifetime warranty.

Note: The "U" in the part number reflects product packaged in poly bag. This product is a "rugged use" mount, designed to hold large marine electronic devices.