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RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder
Part #: RAM-B-166-UN5U UPC: 793442935657 Patented

Product Information
Overview	The RAM-B-166-UN5U consists of a medium length B-size arm with our 2.5" diameter twist lock suction cup base and Universal Large Phone Holder.

Specifications
hardware included	Assembly Hardware
holder dimensions	Width Range: 1.75" - 3.5"
suction size	3.3" Diameter
socket to socket length	3"
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	Marine-grade aluminum High strength composite
packaging type	Poly Bag
Weight	0.83 lb
Additional Information	*The rubber material used in suction cups is considered a general wear item and is not covered under the lifetime warranty. Learn more about the RAM® warranty policy here.

RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

Patented

RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

Part#: RAM-B-166-UN5U

UPC: 793442935657

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.

Fish Finders, 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 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

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.

Fish Finders, 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 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

$83.99

Options

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.

Fish Finders, 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 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

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.

Fish Finders, 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 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Options

Overview

The RAM-B-166-UN5U consists of a medium length B-size arm with our 2.5" diameter twist lock suction cup base and Universal Large Phone Holder.

hardware included:

Assembly Hardware

holder dimensions:

Width Range: 1.75" - 3.5"

suction size:

3.3" Diameter

socket to socket length:

3"

ball size:

B Size (1")

weight capacity:

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

materials:

Marine-grade aluminum
High strength composite

packaging type:

Poly Bag

Weight:

0.83 lb

Additional Information:

*The rubber material used in suction cups is considered a general wear item and is not covered under the lifetime warranty. Learn more about the RAM® warranty policy here.

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

Instructions

RAM® Twist-Lock™ Suction Cup Assembly Guide

Documents

On Road Catalog

QUESTIONS & ANSWERS

Have a Question?

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RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

RAM® Twist-Lock™ Suction Cup Mount with Spring-Loaded Phone Holder

$83.99

$83.99

Add-on & Accessories

Base Accessories

RAP-350-35BU:RAP-350-35BU_1:RAM Black 3.5" Adhesive Plate for Suction Cups

RAP-350-35BU:RAP-350-35BU_1:RAM Black 3.5" Adhesive Plate for Suction Cups

RAM® Black 3.5" Adhesive Plate for Suction Cups RAP-350-35BU $19.49

RAP-279C:RAP-279C_1:RAM Portable Friction Dashboard Base

RAP-279C:RAP-279C_1:RAM Portable Friction Dashboard Base

RAM® Portable Friction Dashboard Base RAP-279C $35.99

Holder Accessories

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 $24.99

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 $26.49

RAP-326U:RAP-326U_1:RAM EZY-Mount™ Quick Release Adapter Kit

RAP-326U:RAP-326U_1:RAM EZY-Mount™ Quick Release Adapter Kit

RAM® EZY-Mount™ Quick Release Adapter Kit RAP-326U $10.99

RAP-326FU:RAP-326FU_1:RAM EZY-Mount™ Quick Release Female Adapter

RAM® EZY-Mount™ Quick Release Female Adapter RAP-326FU $8.99

RAM-MAG-1U:RAM-MAG-1U_1:RAM Screen Magnifier for Handheld Devices

RAM-MAG-1U:RAM-MAG-1U_1:RAM Screen Magnifier for Handheld Devices

RAM® Screen Magnifier for Handheld Devices RAM-MAG-1U $46.99

RAP-462NPT:RAP-462NPT_1:RAM Vibe-Safe™ with NPT Adapter for 2-Hole Holders

RAP-462NPT:RAP-462NPT_1:RAM Vibe-Safe™ with NPT Adapter for 2-Hole Holders

RAM® Vibe-Safe™ with NPT Adapter for 2-Hole Holders RAP-462NPT $43.99

RAM-MAG88DU:RAM-MAG88DU_1:RAM Tough-Mag™ 88MM Diameter Magnetic Adapter with 2-Hole AMPS Pattern

RAM® Tough-Mag™ 88MM Diameter Magnetic Adapter with 2-Hole AMPS Pattern RAM-MAG88DU $72.49

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