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RAM® Double Ball Mount with Round and Rectangular Plates
Part #: RAM-139U UPC: 793442915215

Product Information
Overview	The RAM-139U consists of a medium length C size arm with a 2.5" round plate with AMPS hole pattern as well as a rectangular plate with AMPS hole pattern.

Specifications
product dimensions	Overall Height: 7.35"
socket to socket length	4.66"
hole pattern	4-Hole AMPS: 1.181" x 1.496" 3-Hole 120-Degree: 1.812" Diameter
ball size	C Size (1.5")
weight capacity	Standard Use: 4 lbs Heavy-Duty Use: 3 lbs
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	1.12 lb

RAM® Double Ball Mount with Round and Rectangular Plates

RAM® Double Ball Mount with Round and Rectangular Plates

Part#: RAM-139U

UPC: 793442915215

Ball Size
Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Ball Size
Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

$60.49

Ball Size
Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Ball Size
Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Overview

The RAM-139U consists of a medium length C size arm with a 2.5" round plate with AMPS hole pattern as well as a rectangular plate with AMPS hole pattern.

product dimensions:

Overall Height: 7.35"

socket to socket length:

4.66"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter

ball size:

C Size (1.5")

weight capacity:

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

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

1.12 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

RAM® Double Ball Mount with Round and Rectangular Plates

RAM® Double Ball Mount with Round and Rectangular Plates

$60.49

$60.49

Add-on & Accessories

Knob & Bolt Accessories

RAM-B-273-CU:RAM-B-273-CU_1:RAM Add-A-Ball™ Accessory Ball for C Size Socket Arms

RAM-B-273-CU:RAM-B-273-CU_1:RAM Add-A-Ball™ Accessory Ball for C Size Socket Arms

RAM® Add-A-Ball™ Accessory Ball for C Size Socket Arms RAM-B-273-CU $13.49

RAP-S-KNOB5U:RAP-S-KNOB5U_1:RAM Pin-Lock™ Security Knob for C Size Socket Arms

RAP-S-KNOB5U:RAP-S-KNOB5U_1:RAM Pin-Lock™ Security Knob for C Size Socket Arms

RAM® Pin-Lock™ Security Knob for C Size Socket Arms RAP-S-KNOB5U $13.49

RAM-KNOB5LSU:RAM-KNOB5LSU_1:RAM Key Lock Knob with Steel Insert for C Size Socket Arms

RAM-KNOB5LSU:RAM-KNOB5LSU_1:RAM Key Lock Knob with Steel Insert for C Size Socket Arms

RAM® Key Lock Knob with Steel Insert for C Size Socket Arms RAM-KNOB5LSU $28.49

RAM-KNOB5LU:RAM-KNOB5LU_1:RAM Key Lock Knob with Brass Insert for C Size Socket Arms

RAM-KNOB5LU:RAM-KNOB5LU_1:RAM Key Lock Knob with Brass Insert for C Size Socket Arms

RAM® Key Lock Knob with Brass Insert for C Size Socket Arms RAM-KNOB5LU $34.99

Accessories for AMPS Pattern Base Components

See All

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RAM® Backing Plate Adapter RAM-202-225B-2U $13.99

RAM-HOL-ROTO1U:RAM-HOL-ROTO1U_1:RAM Roto-View™ Adapter Plate

RAM-HOL-ROTO1U:RAM-HOL-ROTO1U_1:RAM Roto-View™ Adapter Plate

RAM® Roto-View™ Adapter Plate RAM-HOL-ROTO1U $25.99

RAP-403U:RAP-403U_1:RAM Cable Manager with AMPS Hole Pattern for Electronic Mounts

RAP-403U:RAP-403U_1:RAM Cable Manager with AMPS Hole Pattern for Electronic Mounts

RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts RAP-403U $16.49

RAP-400-202U:RAP-400-202U_1:RAM Tough-Claw™ Trolling Motor Stabilizer

RAP-400-202U:RAP-400-202U_1:RAM Tough-Claw™ Trolling Motor Stabilizer

RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Medium Arm RAP-400-202U $88.99

RAP-404-202U:RAP-404-202U_1:RAM Trolling Motor Stabilizer - Tough-Claw™ 1” - 1.6” Medium Arm

RAP-404-202U:RAP-404-202U_1:RAM Trolling Motor Stabilizer - Tough-Claw™ 1” - 1.6” Medium Arm

RAM® Trolling Motor Stabilizer - Tough-Claw™ 1” - 1.6” Medium Arm RAP-404-202U $97.49

RAP-400-D-202U:RAP-400-D-202U_1:RAM Tough-Claw™ Trolling Motor Stabilizer - C Size Long

RAP-400-D-202U:RAP-400-D-202U_1:RAM Tough-Claw™ Trolling Motor Stabilizer - C Size Long

RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Long Arm RAP-400-D-202U $113.99

RAP-B-351-4RU:RAP-B-351-4RU_1:RAM Rotating Ball Adapter for Phone and Handheld Holders - B Size

RAP-B-351-4RU:RAP-B-351-4RU_1:RAM Rotating Ball Adapter for Phone and Handheld Holders - B Size

RAM® Rotating Ball Adapter for Phone and Handheld Holders - B Size RAP-B-351-4RU $24.49

RAP-403FU:RAP-403FU_1:RAM Spacer Plate Accessory for Flush Mounting

RAP-403FU:RAP-403FU_1:RAM Spacer Plate Accessory for Flush Mounting

RAM® Spacer Plate Accessory for Flush Mounting RAP-403FU $7.49

RAP-356U:RAP-356U_1:RAM Adapt-To-RAM™ Hole Pattern Plate Adapter

RAP-356U:RAP-356U_1:RAM Adapt-To-RAM™ Hole Pattern Plate Adapter

RAM® Adapt-To-RAM™ Hole Pattern Plate Adapter RAP-356U $23.99

RAM-MARI-NUT-4U:RAM-MARI-NUT-4U_1:RAM Mari-Nut™ Rubber Expansion Mounting Hardware

RAM® Mari-Nut™ Rubber Expansion Mounting Hardware RAM-MARI-NUT-4U $9.49

RAM-GDS-DOCKB-AP37U:RAM-GDS-DOCKB-AP37U_1:GDS Tough-Dock™ Body for iPad Pro 12.9 3rd - 6th Gen, Pro 13 & Air 13

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GDS® Tough-Dock™ Body for iPad Pro 12.9 3rd - 6th Gen, Pro 13 & Air 13 RAM-GDS-DOCKB-AP37U $78.49

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RAM-MARI-RIVET-4U:RAM-MARI-RIVET-4U_1:RAM Mari-Rivet™ Aluminum Pop Rivets

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GDS® Tough-Dock™ Body for Samsung Tab A9 & A7 Lite 8.7” RAM-GDS-DOCKB-SAM80U $43.99

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RAM-GDS-DOCKB-AP32U:RAM-GDS-DOCKB-AP32U_1:GDS Tough-Dock™ Body for Apple iPad 10th Gen, Pro 11 & Air 11

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