Flat Laptop Mount (425-5214/5215) by Jotto Desk®. Cable Length: 22". With ACD Desktops. For RV. The Jotto Desk® computer laptop mount to fit Recreational Vehicles, Vans and Trucks with flat floorboard surfaces are the best desks for mobile laptop computing. Featuring "flat surface" drilled installation this laptop desk offers a multi-adjustable swing arm, providing superior ergonomics. Mobile professionals will be able to comfortably use and secure a laptop notebook computer using the Cable-Dock® securing system.