Excellent if your tablet is in a case or skin.  Another ingenious mount from the mountguys labs that is easy to attach and detach.  Utilizing an adjustable cradle to grip your device, your device is securely held for watching movies, reading the newspaper, listening to music or using it as a GPS.  

The mount fits the great majority of vehicles that have horizontal vent slats.  The vent is an excellent location for your device especially those wishing to use a GPS app.

Fits many models including:

Acer Iconia A100

aPad

Amazon Kindle Fire

Apple:  iPad, iPad2, iPad 3 (The New iPad)

Acer Iconia A500

AOC Breeze

Archos: 101, 48, 70, 7c

Asus EEE Pad Transformer, Transformer Prime

BlackBerry PlayBook

Cambridge Sciences G7-II

Eken M900s

eLocity A7

Google Nexus 10

HP: Slate, TouchPad

HTC: Jetstream

LG G-Slate

Motorola: Xoom, Xoom 2, XYboard 8.2, XYboard 10.1

Samsung Galaxy Tab, Samsung Galaxy Tab 2 7.0, Galaxy Tab 8.9

Sony Tablet S

SuperPad

Tabtech: A816, M010s

Tabtronics: M009s, WM8650

Toshiba Thrive

Velocity Cruz T301

ViewSonic: gTablet, ViewPad 10, ViewPad 7

Vizio 8