Feature:1. This water pump guarantees high capacity and great stability for higher working efficiency.2. Ideal for transporting light liquids such as srping water, sea water, oil, dilute organic solvents, etc.3. 6.35mm / 0.3in shank diameter suits for most common electric drills, so you can apply it to your drill.4. Very easy to install and use, and no battery is required to start the pump, very convenient.5. Made of high quality ABS, durable for long use. Small size and light weight, simple to carry and store.Specification:Item Type: Hand Electric Drill PumpProduct Material: ABSWater Inlet and Outlet Diameter: Approx. 19mm / 0.7inShank Diameter: Approx. 6.35mm / 0.3in(Suits for most electric drill) Package List:1 x Hand Electric Drill Pump2 x Fixing Ring2 x Bracket2 x Screw1 x User Manual