RAM® Rotating Ball Adapter for Phone and Handheld Holders - B Size
Overview
The RAM® Rotating Ball Adapter for Phone and Handheld Holders - B Size (RAP-B-351-4RU) allows your device holder to rotate between landscape and vertical orientations. This adapter is RAM® Compatible™, featuring one 4-hole AMPS and two 2-hole AMPS patterns found on all RAM® holders. Using the screw in the center of the ball, you can adjust the tension required to pivot the holder making it a versatile adapter capable of handling the most rugged conditions. Integrate this solution into your existing setup or complete the solution with a B size base, double socket arm, and device holder.
Features
- Easily rotate devices without loosening your mounting system
- Made of high-strength composite for durability and reliability in the most demanding environments
- RAM® Compatible™; one 4-hole AMPS and two 2-hole AMPS patterns
- Backed by a lifetime warranty
hole pattern:
4-Hole AMPS: 1.181" x 1.496"
plate size:
2.5" Diameter
ball size:
B Size (1")
weight capacity:
Standard Use: 2 lbs
Heavy-Duty Use: 1 lb
materials:
High strength composite
packaging type:
Poly Bag
Weight:
0.15 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.
QUESTIONS & ANSWERS
Have a Question?
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What is C size?
Unfortunately, we do not have a C Size version of this component. If you'd like to rotate a device using a C Size base plate, you could use RAM-HOL-ROTO1U and RAM-202U.
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What is "B" size?
The term 'B size' refers to the ball size, which corresponds to our 1-inch ball.
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Is this what I need to adapt Tab-Tite holder for my iPad Mini (A17)? I already have a clamp RAM system for my phone.
Yes this adapter will work with your Tab-Tite™ system, as long as it contains B-size components (1" ball), as this component contains a 1" B-size ball.





