TX1B Needle Scaler w/ 7in. Needles and Lever Throttle. World class value pricing, Quality equal to or better than competitively made scalers, Tools have been proven in thousands of applications, Tens of thousands of these tools are in the field, Completely convertible from needle to chisel scaler and visa versa. Tool Applications include: De-rusing and cleaning of metals, Peening of welded joints, Cleaning castings, Cleaning welding slag, Removing barnacles, Removing paint, rust and dirt, Chipping stone, concrete and brick, Needle scalers adjust to any surface contour automatically.