Toughtested TT-4S-BOOM HVY DTY CUPHOLDER CLL MNT

• Expanding cup holder mount fits all cup holders snugly;• Ratcheting, locking boom arm extends to 13 in. for optimal viewing height in larger vehicles;• Heavy-duty materials and construction for vibration-free operation over rough roads;• Claw device grip holds most phones even with protective cases;• Holds phone vertically or horizontally ;• Professional grade for commercial vehicles;