This ChargerCity Heavy Duty Rigit Custom Tablet Floor seat bolt mount features a 18.5-Inch flexible gooseneck steel mounting pedestal that can easily attach to your car's seat bolt (includes Free Hard Install Drill Kit). Floor mounting is also feasible, though it's more of a permanent type solution. The custom Tablet holder is compatible with most 7"to 12" Tablet Device and is perfect for use regardless of whether you are using a with or with out protective case. (Compatible with i Pad AIR 4 3 2 Mini Google Nexus 10 8 7 Mini ASUS Memo Pad VovoTab Acer Iconia Samsung Galaxy Tab Pro 12.1 Lenovo Yoga Coby Kyros Tablet Device)