Heavy rust and scale removal from steel structures such as bridges, ships and offshore platforms. Superior design with internal spring components provides greater durability. Ideal for surface preparation, De-rusting, De-painting, Cleaning and stress relieving weld seams and joints. ⚙️ Specification Piston Stroke 28 mm Piston Diameter Ø 27.7 × 56 mm Needle Diameter Ø 3 x 180 mm Needle Quantity 28 pcs Free Speed 3,500 RPM Avg. Air Cons 7.4 CFM (210 l/min) Air Pressure 90 PSI (6.2 bar) Net Weight 3.6 Kgs (7.9 lbs) Overall Length 337 mm (13.3″) Air Inlet 3/8″ Air Hose I.D. 3/8″ Sound Pressure 99 dB(A) Vibration Level 8.06 m/s²
