AirSpade 4000 [ASU4150KT] Utility Kits, 150 cfm 4 Ft. Fiberglass Barrel. Kit includes the most popular components and accessories utilized by utility workers. Features the powerful Utility AirSpade 4000 air-excavation tool equipped with proprietary, non-sparking bronze nozzle for superior digging performance. Rugged, lightweight ergonomic handle with retractable stabilizer bar features dead-man trigger for comfortable, safe operation. Insulated, 4 Ft. fiberglass barrel, rated up to 300kV, provides protection from buried electrical lines. Heavy-duty locking storage case.