CS Unitec's 2BPG heavy-duty pistol grip needle scaler operates at 3000 blows per minute with low air consumption - requires 5. 5 CFM at 90 PSI. Its performance as a corrosion inhibitor has been proven in the harshest environments on ships and rigs throughout the world. The rubber trip and pistol handle provides comfortable operation. The 2BPG needle gun features an oversized piston with a longer stroke and a heavy-duty hardened anvil. Includes 19 long-lasting chisel-tip needles, 3mm dia. each.Converts from a needle scaler to a chisel scaler in seconds with an optional kit. 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.