You've finished lunch and rigged your boat, and then realize that your raft is soggier than a wet sandwich. Use this pump to top off and be on your way. The NRS Wonder Pump 6 is a great top off pump that can easily solo for IK's or smaller inflatable's. Compact pump allows you to connect to even the hard-to-reach valves on any raft or IK. 5' non-kink hose and 7 adapters are included with the pump. The NRS Wonder Pump 6 is a double action pump; working to inflate on both the upward and downward motions of the handle. Opening the white plug in the cap changes the pump to a single action mode, making it a bit easier to pump. There is a threaded port in the top of the handle. You can screw in the NRS Mechanical Pressure Gauge, Item # 80007.02, for pressure readings while you pump. 4" diameter x 18.5" high to the top of the handle with an 4.5" x 8" base. The NRS Wonder 6 has a chamber volume of about 0.69 gallon (2.6 liters). In double-action mode this gives you 1.4 gallons (5.2 liters) per stroke. Volume, Single Action: 0.69 Gal. (2.6 liters)Volume, Double Action: 1.4 Gal. (5.2 liters)Action: Inflate and deflatePump Dimensions: 4" Dia. x 18.5" HChamber Dimensions: 4" Dia. x 12.75" HHose Length: 5'Weight: 1.98 lbs.Includes: 7 adapters