The RAM Quick-Grip™ with Twist-Lock™ Suction Cup consists of a 3.3" diameter suction base, composite double socket arm and spring loaded cradle for supporting most phones. The Twist-Lock™ Suction Cup is designed to have a strong hold on any windshield, glass and non-porous surface. The double ball and socket design provides adjustment points at both ends of the socket arm with the turn of a single knob, allowing you to set your phone to the optimal viewing position. Cradle Clamping Dimensions: Height Range: 4.75" - 5.75" Width Range: 2.19" - 3.25" Max Depth: 0.72"
