Patented

RAM® 12" Double Swing Arm with Swivel Socket - D Size

Part#: RAM-VB-D-110-1NBU
UPC: 793442920417

Kit Components

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$122.49

ball size:

D Size (2.25")

materials:

Marine grade-aluminum

packaging type:

Poly Bag

Weight:

3.23 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.

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Knowledge Base: Socket Arms

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RAM® 12" Double Swing Arm with Swivel Socket - D Size
$122.49

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size 1.5" ball
  • D Size — this product 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
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D — this product2.25" (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

RAM® Upper Poles
See All
RAM® 8" Upper Pole with Double Swing Arms & Round Plate RAM-VP-SW1-8 $151.99
RAM® 12" Upper Pole RAM-VP-TTM12U $56.99
RAM® 8" Upper Pole RAM-VP-TTM8U $47.99
RAM® 12" Upper Pole with Flange RAM-VP-TTMF12U $71.99
RAM® 12" Upper Pole with Double Swing Arms & Round Plate RAM-VP-SW1-12 $148.99
RAM® 8" Upper Pole with Flange RAM-VP-TTMF8U $60.99
RAM® 8” Upper Pole and Double Ball 75x75mm VESA Mount RAM-VP-SW2F-8-2461 $205.99
RAM® 4" Upper Pole RAM-VP-TTM4U $44.49
RAM® 8" Upper Flange Pole with Double Ball Mount RAM-VP-TTMF8-101U-D $132.49
RAM® 8" Upper Pole with Dual Flange RAM-VP-TTMFD8U $124.49
RAM® 8" Upper Pole with 14" Flange Swing Arm Plate RAM-VP-TTMLF8U $111.99
RAM® 4" Upper Pole with Flange RAM-VP-TTMF4U $49.49
RAM® 8" Upper Pole with Flange and Double Swing Arms RAM-VP-TTMF8-1U $134.49
RAM® 8" Upper Flange Pole with D Size 75x75mm VESA Mount RAM-VP-TTMF8-D-101-2461U $198.49
RAM® 12" Upper Flange Pole with Double Ball Mount RAM-VP-TTMF12-101U-D $142.99
RAM® 8" Upper Pole with Single Swing Arm & Round Plate RAM-VP-SW2-8 $123.49
RAM® 12" Upper Pole with 100x100mm VESA Plate RAM-VP-D-SW1-12-246 $208.49
RAM® 4" Upper Pole with Double Swing Arms & Round Plate RAM-VP-SW1-4 $136.49
RAM® Tough-Tray™ with Double Swing Arms and 4" Upper Pole RAM-VP-SW1-4-234-3 $230.99
RAM® 12" Upper Pole with Double Swing Arms & 75x75mm VESA Plate RAM-VP-SW1-12-2461 $162.99
RAM® 8" Upper Pole with Single Swing Arm & 75x75mm VESA Plate RAM-VP-SW2-8-2461 $128.99
RAM® 8" Upper Pole with Double Swing Arms & 75x75mm VESA Plate RAM-VP-SW1-8-2461 $157.49
RAM® 8" Upper Pole with Double Swing Arms & Large Round Plate RAM-VP-SW1-8-240 $155.99
RAM® 4" Upper Pole with Double Swing Arms & 75x75mm VESA Plate RAM-VP-SW1-4-2461 $149.99
RAM® 8" Upper Pole with Metal Wedges RAM-VP-TTM8MWU $45.99
RAM® 8" Locking Upper Pole RAM-VP-TTM8LU $58.99
RAM® 12" Upper Flange Pole with D Size 75x75mm VESA Mount RAM-VP-TTMF12-D-101-2461U $208.99
RAM® 12" Upper Pole with Double Swing Arms & Large Round Plate RAM-VP-SW1-12-240 $165.49
RAM® 8" Upper Pole with Locking Double Swing Arms and Large Round Plate RAM-VP-SW1L-8-240 $198.49
RAM® 8" Upper Pole with Single Swing Arm & Large Round Plate RAM-VP-SW2-8-240 $131.49
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