The RAM X-Grip™ has a clean and clever four leg design that sports great holding power without hiding your mobile device behind foam pads and plastic. The perfect compliment to the modern sleek interior of today's vehicles. Supplied complete with 3" diameter Snap Link suction cup base. Features: 1. Spring loaded holder expands and contracts for perfect fit of your device 2. Rubber coated tips will hold device firm and stable 3. Single socket technology allows for multiple adjustment angles and articulation of device 4. 3" diameter twist lock suction cup Suitable for Devices with the Following Dimensions: Minimum Width x Height: 1.25" x 4" Maximum Width x Height: 3.25" x unlimited (within reason) Depth = 0.87" Material: High Strength Composite with Rubber Tips on Arms