Feature: 1. Specification: This pneumatic refueling gun has standard 1/2 inch NPT outlet and 3/4 inch inlet, with a maximum working pressure of 1500Psi (100Bar) and a speed of 1‑35L per minute. 2. 4 Measurement Units: This oil control valve meter has 4 measurement units, namely LTR, GAL, PT and QT. You can choose the appropriate one according to your needs to adapt to your device. 3. Wide Application: The oil gun is suitable for filling gear oil, hydraulic oil, antifreeze, transmission oil, engine oil, lubricant oil and other liquids, is the ideal filling tool for home, factory, and construction site. 4. Humanized Design: This pneumatic oil gun has an ergonomic handle for comfortable grip. 90 degree outlet ensures more convenient refueling. The flexible rubber hose can extend to narrower areas. 5. Sturdy Structure: The main body is made of alloy steel, has high strength, impact resistance. Aviation aluminum nozzle, sturdy and long lasting. The shockproof rubber device can prevent damage to the instrument due to collision. Specification: Item Type: Pneumatic Oil Gun Material: Alloy Steel Outlet: 1/2 Inch NPT Inlet: 3/4 Inch Maximum Working Pressure: 1500Psi (100Bar) Working Temperature: 10-50℃ Suitable Oil Viscosity: 8-5000mpa Speed: 1-35L/min Accuracy: ±0.3%. Package List: 1 x Pneumatic Oil Gun