Pneumatic needle scaler rust corrosion slag removal cleaning equipment for burr removal Features: High-performance needle cleaner, lightweight and easy to operate. It can remove rough rusty surface with high efficiency. Effectively remove welding slag after welding. Reciprocating impact operation, alloy steel needle, offers long service time. Great tool for welders, automotive specialist, DIY hobbyist and hobbyist. Specifications: Material: carbon steel, ABS Item type: deburring tool Needle diameter: approx. 3mm Number of needles: 12 pcs Air inlet size: 1/4in Working pressure: 90PSI Speed (rpm): 4000 BPM Noise: 96dB Average air consumption: 0.45 m3/min Item weight: 1200g Item size: 325*60*40mm / 12.80*2.36*1.57 inch Package list: 1 * pneumatic rust deburring tool 1 * inlet interface