4 Inch Pneumatic Water Mill Air Sander, Water Injection Polisher with 3 - Speed Adjustment, 4300 RPM Air Polishing Machine for Auto Body and Stone Grinding

Item Type: Pneumatic Water MillMaterial: Alloy steelColor: RedWorking Pressure: 6-8 kgDisk Diameter: Approx. 4inAir Inlet Size: Approx. 1/4inNo-Load Speed: 4300（rpm）Uses (Applicable Industries): Stone, ceramic polishingPackage List：1 x Water Mill1 x PU Tube1 x Wrench1 x User Manual 1 x Take Mouth1 x Grinding Disc

• Three-Speed Control: This water injection polisher features three speed settings and reaches up to 4300 RPM, delivering strong power output for efficient grinding and polishing on marble, granite, or auto body surfaces without overheating.
• Dust-Suppressing Water Spray: The built-in water spray nozzle wets the work surface during operation, effectively minimizing airborne dust and reducing the risk of pneumoconiosis—ideal for health-conscious professionals in stone or auto repair shops.
• Ergonomic & Efficient Design: Designed with a comfortable grip and high-rigidity gears, this air sander reduces hand fatigue during extended use while ensuring longer tool life and consistent performance across demanding polishing tasks.
• Durable Metal Construction: Built with robust internal gears and a - housing, this pneumatic water mill withstands heavy-duty use in workshops, garages, or construction sites, offering reliable performance over time.
• Versatile Application: Perfect for auto body technicians and stone fabricators alike, this 4-inch pneumatic grinder works seamlessly on marble, granite, metal, and painted surfaces, powered by compressed air for quiet, eco-friendly operation.