Needlegun scaler
（重定向自Needle scaler）
![A U.S. Navy Seaman uses a needle-gun to remove old paint and corrosion aboard USS Kitty Hawk.[1]](/Images/godic/202501/29/Needle-gun-uss-kitty-hawk1343.jpg")
![An able seaman uses a needlegun to remove scale while refurbishing a mooring winch.](/Images/godic/202501/29/Able-seaman-scaling-winch1343.JPG")
A needlegun scaler, needle scaler or needle-gun is a tool used to remove rust, mill scale, and old paint from metal surfaces. The tool is used in metalwork applications as diverse as home repair, automotive repair and shipboard preservation.