VIKING 3-TON DOUBLE-PUMPER FLOOR JACK MODEL 3003 Value and efficiency in a double-pumper jack, the Model 3003 will get the load in the air faster and safer. AFF�s double-pumper advantage and safety overload system, make this the jack for the DIY customer and weekend mechanics. � Universal joint technology for precision release valve control � Two-piece 50-1/4� handle for easy maneuverability and storage