Specifications:BPM: 4,000 bpm at 90 psiCFM: 8 cfmStroke: 1 1/16”Piston diameter: 15/16”Air inlet: 1/4”Our air needle scaler, model SW182NS for scaling and surface preparation. Built with a carbon steel throttle body and scaler body. Comes with a 19 piece set of 1/8″ diameter x 7″ long carbon steel needles and a side handle for added control with a capacity of 6.4 lbs.Railroad Model SW182NS4 for more aggressive surface preparation. This air needle scaler comes with a 14 piece set of carbon steel needles, 4 mm (.1575 diam.) x 7″ long and a side handle for added control with a capacity of 7.4 lbs.
