Setting a new standard for air excavation tools, the utility AirSpade 4000 series harnesses the power of compressed air to safely uncover underground utility lines without harm. AirSpade high performance, patented supersonic nozzle generates a laser like jet that moves at twice the speed of sound for faster, more effective digging. With non-sparking nickel aluminum bronze nozzle, brass components, electrically insulated 4 ft barrel rated to 300 kV and a lightweight, ergonomic handle, the utility AirSpade 4000 maximizes jobsite safety while minimizing operator fatigue. Aluminum handle features full size grip opening to accommodate linesman's gloves. Dead man trigger ensures safe operation and trigger guard prevents accidental activation. Retractable stabilizer bar provides superior operator control. Integral pressure gauge ensures optimal digging performance.