High quality: Electric Powered Grease Gun aluminum alloy grease guns nozzle, tube body, and each automatic grease gun have been tested for oil absorption and filling, making your tools more durable. High versatility: Grease Gun Drill Adapter no need to carry specific tools, your Pneumatic Tool, Electric Drills, Impact Drivers can become your grease gun with grease. High oil absorption: Grease Gun High pressure transparent tube can observe the oil quantity at any time. longer and thicker spring, oil absorption efficiency increased by 3 times. Ergonomic Design: The grease gun could be interchanged between flex hose and rigid extension, you can use the flex hose to reach hard to access. The rubber handle with ergonomic design offers maximum user comfort and less vibration. Applications étendues: Automatic grease gunis suitable for a variety of places,mechanical maintenance, automobile maintenance, ship oiling, bulldozer, agricultural machinery, excavating machinery, and so on.