Key Features: ✔ High-Speed Cleaning: 5000 BPM with 19 hardened needles for efficient paint, rust, and slag removal. ✔ Ergonomic Design: 18.4" length and 6.17 lbs weight reduce fatigue during extended use. ✔ Versatile Applications: Ideal for auto repair, metal fabrication, ship maintenance, and industrial cleaning. Technical Specifications: Air Inlet: 1/4" NPT Air Consumption: 4.5 CFM (85 L/min) Working Pressure: 90 PSI Barrel Stroke: 2-5/8" (67 mm) Needle Diameter: 3mm Package Includes: 1× 18" Needle Scaler 1× 1/4" NPT Connector 1× Oil Can 1× Instruction Manual