This C-size drill-down mount features the RAM Tab-Tite holder, designed to accommodate 9" to 10.5" tablets with a case. The kit includes two 2.5" diameter round bases with a universal AMPs hole pattern, along with a C-size double socket arm. The mount uses a 1.5" diameter patented rubber ball and socket system with adjustable points at both ends of the arm, providing near-infinite positioning for optimal viewing angles. Its rugged construction helps absorb shock and vibration, enhancing your device's durability.