Rotarys tried and true asymmetric two post lift is the only lift youll ever need. This versatile lift can be configured in a multitude of ways. You can choose which arms to include on the lift. You can choose to make the lift faster with Shockwaveâ„¢. You can choose what adapters are included with the lift to make your job and life easier. Rotary engineers have created a patented two-piece, three-stage asymmetrical arm that accommodates a wider range of vehicles.