Wheelchair Rail & Tube Tablet Mount with Swivel Arm for Apple iPad Air 4 (2020) (sku 56203)Wheelchair Rail and Tube Tablet Mount with Double Socket Swivel Arm for iPad Air 4 (2020) The cradle will fit the Apple iPad Air 4 (2020) Fits tablet sizes 7. 9" 12. 9" This Mount features a tool less Small Tough Claw base with 1" rubber ball, a Double Socket Swivel Arm with central hinge together, a 4 Prong to 1 inch ball and a BuyBits adjustable tablet cradle. With two points of rubberized 360 degree rotation and a connecting central pivot hinge