The RAP-B-397-1-201U consists of the RAM Tough-Clamp™ clamping base and 1" ball compatible STANDARD length double socket arm. The RAM Tough-Clamp™ includes a 1" ball which can be used to mount a variety of products utilizing RAM's vast selection of mounting solutions. Attach your GoPro Camera, Smartphone, RAM AQUA BOX® Pro or similar light weight device on almost any flat surfaces and square rails. 

Clamping Dimensions:
1. Flat surfaces and square rails from 0" to 1" thick
2. Round rails from 0.25" to 0.75" OD

Features:
1. High strength glass filled nylon construction with corrosion resistant stainless steel hardware
2. Swiveling jaw-end pads provide stable, even gripping and protection of mounting surface
3. Clamp jaw is configured for round, flat and odd shapes
4. 1" rubber ball is compatible with numerous RAM arms and mounts
5. Small, sleek form factor that accommodates for small, tight spaces
6. Built-in lanyard holes
7. Quick engage and release of clamp
8. Lifetime Warranty!
9. Made in U.S.A.

Material:
High Strength Composite 

Ball Size:
1" Rubber "B" Ball Size 

Note:
The "U" in the part number reflects product packaged in poly bag.