Features and Benefits:�Twist-to-adjust Cupholder Base�Adjustable to any size cupholder�180 degree rotating function�Extendable arm up 13" reaach�Adjusts to hold devices up to 13"�Vibration free over rough roads�One touch release button.�Flexible adjustable padded arms for secure grip�Great for trucks, RV's, SUV's, service vehicles, vans, cars and more�5 year warranty.Toughtested Mammoth Super duty Windshield mount for tablets is designed for larger trucks, SUV's, Vans, delivery vehicles, and more. It's fully adjustable double-ribbed gooseneck arm holds devices in place without sagging from vibrations over rough roads, and the extra large, extra thick suction cup locks in place on the windshield or other smooth surfaces with a unique, ratcheteing pressure lock system. The attached Navigator tablet Grip holds tablets, GPS, ELD's, extra large phones and other devices up to 13" securely in place with minimal vibration even over rough roads. The Navigator grip expands 4 ways and ratchet system locks in extra large devices even with protective cases on. It also rotates 360 degrees for the best viewing position. It also rotates 360 degrees for the best viewing position. Extra heavy duty materials and construction combine to make a super strong, durable, safe and vibration free hold for your device so you can navigate with confidence. Backed by a 5 year warranty