Manufacturer Name: Fujisky Co., Ltd. Features: A small, lightweight, strong, and durable needle scaler with good performance. Applications: For removing rust and shells, paint removal, such as removing flux in welds, removing sand from casts. Specifications: Compatible needle dimensions: 0.18 inches (3 mm) x 7.1 inches (180 mm) No load number (rpm): 7980 Air consumption: 0.18 Hose inlet: Rc1/4 Total length: 8.7 inches (221 mm) Weight: 3.9 lbs (1.9 kg) Working air pressure: 0.63 MPa piston diameter: 1 inches (25 inches (25 mm)