The 4-hole 20mm AMPS mount is made of 6061-T6 aluminum alloy material with CNC machining and grade iii hard anodized surface for durability and reliability in harsh environments.
This 20mm ball mount follows the standard 4-hole 51mm x 43mm configuration and is compatible with 3rd party AMPS plates and Bulletpoint Mounting Solutions mounting arms.
The 20mm ball mount is covered with high quality anti-slip rubber, and the ball joint part can rotate 360°. It allows easy attachment of mounting arms or device holders to the sturdy integrated 20mm AMPS ball dash mount, providing unmatched adjustability.
NOTE: The 1 inch ball mount comes with a lifetime warranty.