Ram Mounts Size B UN7 X-Grip with Low Profile Suction and Short Arm
Ideal for vehicle windshields, the RAP-B-166-2-A-UN7U consists of a 2.75″ diameter low-profile RAM® Twist-Lock™ suction cup base, short length double socket arm, and the popular spring-loaded RAM® X-Grip® phone holder. The RAM® X-Grip® features an ‘X’ design that expands and contracts to provide a perfect fit for your device – even if it’s in a case.
Made of high-strength composite and stainless steel, this version of the RAM® X-Grip® fits phones ranging from 1.87″ to 3.25″ in width and keeps your device completely functional and accessible. RAM® ball and socket technology allows for near-infinite adjustability to achieve the ideal viewing angle – while also extending the life of your phone by providing shock and vibration damping.
For outdoor applications, the RAM® X-Grip® includes a device tether that is recommended for added security and peace of mind.
Features
- Spring-loaded ‘X’ design with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged use.
- Includes low-profile RAM® Twist-Lock™ suction cup base ideal for vehicle windshields and short length, B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability.
- Made of stainless steel components and high-strength composite for durability and reliability in the most demanding environments.
Materials
- High strength composite.
- Stainless steel.
| Part Number | Ball Size | Holder Dimensions | Suction Size | Socket to Socket |
|---|---|---|---|---|
| RAP-B-166-2-A-UN7U |
B Size (1″) |
Width Range: 4.76 – 8.26 cm (1.875″ – 3.25″) Depth: 2.22 cm max (0.875″) |
6.99 cm Diameter (2.75″) |
1.75″ |


![Schmitt Marine Heavy Duty Waterproof 2-Speed Wiper Motor – 3.5″ Shaft – 12V [33631]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/schmitt-marine-heavy-duty-waterproof-2-speed-wiper-motor-3-5-shaft-12v-33631.webp)





