Patented

RAM® Horizontal 6" Swing Arm Mount with Ball & Socket Rectangular Plate

Part#: RAM-109HSB
UPC: 793442913242

Compatibility

Garmin

ECHOMAP Plus 72cv ECHOMAP Plus 73cv ECHOMAP Plus 74cv ECHOMAP Plus 75cv ECHOMAP Plus 77cv ECHOMAP UHD2 5" ECHOMAP UHD2 7" GPSMAP 722 GPSMAP 722xs GPSMAP 723 GPSMAP 723xsv GPSMAP 742 GPSMAP 742xs GPSMAP 743 GPSMAP 743xsv Striker Plus 5cv Striker Vivid 5cv Striker Plus 7cv Striker Plus 7sv Striker Vivid 5cv Striker Vivid 7cv Striker Vivid 7sv Fishfinders and GPS Chartplotters

Lowrance

HDS Carbon 7 HDS LIVE 7 Fishfinders and GPS Chartplotters

Humminbird

Fishfinders and GPS Chartplotters

Raymarine

Fishfinders and GPS Chartplotters

Kit Components

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RAM® Pin-Lock™ Security Kit for Single Swing Arms on RAM® Vehicle Kits

RAM® Pin-Lock™ Security Kit for Single Swing Arms on RAM® Vehicle Kits

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Overview

The RAM single swing and socket arm mount includes a 6" straight swing arm mounted on a horizontal surface mounting base. At the end of the mount is a rectangular 6.25" x 2" top base. The pivoting point of the rectangle base allows 180 degree rotation, the swing arm allows a 360 degree rotation.

product dimensions:

Swing Arm Length: 6"

hole pattern:

See Drawing

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

Marine-grade aluminum

packaging type:

Retail Bag

Weight:

1.98 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

Print

Documents

Drawing File: C Size Marine Electronic Ball Plate
Drawing File: Horizontal Swing Arm Base
On Water Catalog
Q&A
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RAM® Horizontal 6" Swing Arm Mount with Ball & Socket Rectangular Plate
$101.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

Locking Knobs