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RAM® 18" Flex Arm with Double Ball Mount and 1/4"-20 Threaded Stud
Part #: RAM-B-141-1890 UPC: 793442900990

Product Information

Specifications
socket to socket length	3"
hole pattern	Round Plate: 4-Hole AMPS: 1.181" x 1.496" & 3-Hole 120-Degree: 1.812" Diameter Bottom Plate: 3-Hole 120-Degree: 1.812"
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	1.53 lb

RAM® 18" Flex Arm with Double Ball Mount and 1/4"-20 Threaded Stud

RAM® 18" Flex Arm with Double Ball Mount and 1/4"-20 Threaded Stud

Part#: RAM-B-141-1890

UPC: 793442900990

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

$118.49

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

socket to socket length:

3"

hole pattern:

Round Plate: 4-Hole AMPS: 1.181" x 1.496" & 3-Hole 120-Degree: 1.812" Diameter
Bottom Plate: 3-Hole 120-Degree: 1.812"

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

1.53 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® 18" Flex Arm with Double Ball Mount and 1/4"-20 Threaded Stud

RAM® 18" Flex Arm with Double Ball Mount and 1/4"-20 Threaded Stud

$118.49

$118.49

Add-on & Accessories

Locking Knobs

RAP-S-KNOB3U:RAP-S-KNOB3U_1:RAM Pin-Lock™ Security Knob for B Size Socket Arms

RAP-S-KNOB3U:RAP-S-KNOB3U_1:RAM Pin-Lock™ Security Knob for B Size Socket Arms

RAM® Pin-Lock™ Security Knob for B Size Socket Arms RAP-S-KNOB3U $9.49

RAM-KNOB3LSU:RAM-KNOB3LSU_1:RAM Key Lock Knob with Steel Insert for B Size Socket Arms

RAM-KNOB3LSU:RAM-KNOB3LSU_1:RAM Key Lock Knob with Steel Insert for B Size Socket Arms

RAM® Key Lock Knob with Steel Insert for B Size Socket Arms RAM-KNOB3LSU $29.49

RAM-KNOB3LU:RAM-KNOB3LU_1:RAM Key Lock Knob with Brass Insert for B Size Socket Arms

RAM-KNOB3LU:RAM-KNOB3LU_1:RAM Key Lock Knob with Brass Insert for B Size Socket Arms

RAM® Key Lock Knob with Brass Insert for B Size Socket Arms RAM-KNOB3LU $41.49

Add-A-Ball™

RAM-B-273U:RAM-B-273U_1:RAM Add-A-Ball™ Accessory Ball for B Size Socket Arms

RAM-B-273U:RAM-B-273U_1:RAM Add-A-Ball™ Accessory Ball for B Size Socket Arms

RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms RAM-B-273U $12.49

Base Accessories

RAP-339U:RAP-339U_1:RAM Triple Magnetic Base Adapter

RAP-339U:RAP-339U_1:RAM Triple Magnetic Base Adapter

RAM® Triple Magnetic Base Adapter RAP-339U $24.49

RAM-233U:RAM-233U_1:RAM Rail Adapter Kit for Round Bases

RAM-233U:RAM-233U_1:RAM Rail Adapter Kit for Round Bases

RAM® Rail Adapter Kit for Round Bases RAM-233U $31.99

RAP-323U:RAP-323U_1:RAM Level-Base™

RAM® Level-Base™ RAP-323U $10.49