Copyright © 2025 National Products Inc. Seattle, Washington. All rights reserved.

Overview
The RAP-B-238U ball base consists of a 1" B size rubber ball connected to a 2.43" x 1.31" diamond plate. The diamond plate features two holes that measure 1.912" from center to center, matching the industry-standard AMPS hole pattern. This diamond ball base is compatible with a wide variety of RAM® device holders and cradles.
Features
- Diamond plate features industry-standard AMPS hole pattern and measures 2.43" x 1.31"
- Compatible with several RAM® device holders and cradles; ball and socket technology allows for near-infinite adjustability
- Made of high-strength composite materials
- Backed by a lifetime warranty
hole pattern:
2-Hole AMPS: 1.912"
plate size:
2.43" x 1.31"
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:
0.07 lb
Questions & Answers
Have a Question?
-
What size screws are needed for the holes on this ball plate?
The most common screw sizes are #8, #10, M4 and M5 screws. However, if you are pairing this with any RAM® Holder, the holder will come with the necessary hardware to connect to your mount.