CS Unitec's 1B Needle Scaler, heavy-duty inline corrosion inhibitor operates at 3800 blows per minute with low air consumption - requires only 3 CFM at 90 PSI. Its performance has been proven in the harshest environments on ships and rigs throughout the world. An inline handle provides comfortable operation. This 1B needle gun features an oversized piston with a longer stroke and a heavy-duty hardened anvil. Includes holder for your 1B Needle Scaler Needles. Since 1990, CS Unitec has developed a line of high-quality, professional power tools and non-sparking safety tools. Our pneumatic tools, electric tools, hydraulic tools, and safety tools are designed for very demanding applications in construction, rust protection, petrochemical, mining, marine and other industries. Click on the CS Unitec link at the top of this page to shop the CS Unitec Brand Store.