Wheelchair Rail & Tube Mount with Extension & Model Specific iPad Air Cradle (sku 21775)Wheelchair Rail & Tube Mount with Extension & Model Specific iPad 1 2 Air Cradle This mount features a tool less Small Tough Claw base with 1. 5" rubber ball, two double socket arms, a double ball adapter for extra length and articulation together with a Model Specific Roller design iPad Air Cradle The patent pending roller design allows for smooth placement and removal of the iPad Air, while keeping it secure when on the go The iPad Air will have to