RAM Mount Double Socket Arm w/Locking Knob f/1.5" Ball Bases [RAM-201LU] Marine Safety | Immersion/Dry/Work Suits A packet of 4 screws

A packet of 4 screws

The base connects to the underside of Humminbird and Raymarine marine GPS devices listed below

If you are looking for something more versatile

Smart Sensor Supply Voltage at 100% Sound Power Output: 11

Stainless steel hardware and non-sticking teflon and nylon bearing surfaces for trouble free operation

RAM Mount Double Socket Arm w/Locking Knob f/1.5" Ball Bases [RAM-201LU] Marine Safety | Immersion/Dry/Work Suits A packet of 4 screwsRAM Double Socket Arm with Locking Knob for 1. 5" Ball Bases The RAM 201LU, standard double socket arm with locking knob, has a socket at both ends that accommodates 1. 5" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. This socket technology allows for almost infinite adjustment and perfect viewing angles. The locking knob, includes a brass 1 4" 20 thread; this allowing you to