【Suitable for Large Vehicles】Steel coil 19.7 inch gooseneck firmly connected to most passenger seat rail bolts. Steel keeps the device firmly in place with low vibration while allowing it to be quickly and easily repositioned. This ultra-long metal arm makes it very suitable for use in large vehicles such as heavy duty truck, pickup truck, work truck, semi truck,Taxi, SUV and ect. | 【360 Degree Rotation】The 360° swivel metal ball of this seat bolt tablet mount support you optimal viewing positions, easy to adjust the shape of the flex arm to meet your needs, is ideal for both horizontal and vertical viewing when using gps navigation, watching videos, listening music and more. | 【Premium Steel Gooseneck】The arm of car floor large tablet mount stand features with high quality Aluminum-magnesium alloy solid core and steel materials, makes the vehicle arm more sturdier and durably.The tablet clamp is made of high quality plastic and has anti-slip silicone pads to protect your tablet from falling. You can stabilize your tablet while driving and use the navigation with confidence. | 【Easy to Install】You can easily and quickly attach the metal car mount to your already existing seat bolt in car for a fit that will not interfere with your cupholders or driving visibility.Loosen the passenger seat track bolts with a socket wrench, insert the included brackets, and then just retighten the bolts. | 【Universal Compatibility】This tablet holder fit for all 9.5"-14.5" screen tablets, such as compatible with iPad Pro 13/ 12.9/ 11/ 10.5/ 9.7, iPad 7th 8th Generation 10.2", iPad Air 2 3 4 10.9" 2020; Galaxy Tab A 10.1/ 10.5/ 9.7/ 8.0, Galaxy Tab S series, Galaxy Tab E 9.6, Tab S4; Surface Pro X/ 8/7/ 6/ 4/ 3/ Surface Go 3/2/1; Nexus tablets, e-Readers etc more tablets with or without a case or sleeve.❗ Note: the iPad holder not fits iPad Mini.