Arkon XLRMCPM RoadVise XL Robust Clamp Phone or Tablet Mount with Security Knob (sku 47855)Arkon's XLRMCPM RoadVise XL Robust Clamp Phone or Tablet Mount is a highly versatile locking clamp mount with a unique jaw design that has an extra wide clamping range for both flat (including tables, desks, counters, shelves) and tubular (including handlebars, roll bars, wheelchairs, strollers, grocery carts, golf carts) surfaces, including small posts. The mount's spring loaded holder fits devices (even those with skins and ruggedized cases) up to