RAM Mount Universal Finger Grip Glare Shield Clamp Mount

This mount is designed to hold the following devices:
Cell Phones (check measurements below for dimensions)
2-Way Radios
GPS Devices
Works with OtterBox (Defender, Commuter, Impact) Cases, Phones with Bumper, Twisted Metal Case and More
Perfect rugged solution for the Blackberry, HTC Evo, Droid X, iPhone, and More
Use on your Motorcycle, ATV, UTV, Car, Boat and More

Mount will attach to flat surfaces with the following dimensions:
Min: 4.4mm / 0.17"
Max: 28.0mm / 1.12"

Material:
High Strength Composite & Powder Coated Marine Grade Aluminum

Ball Size:
1" Rubber Ball "B" Size