1. Very useful tool suitable for removing paint, rust etc.. 2. Suitable for use on heavier work such as wheels, engine blocks, chassis rails and box sections.3. Fits 150mm and 190mm Air chisels/hammers. 4. Screw on design. Tighten the Allen key grub screws to attach and remove. Loosen during use. (Please note, Allen key pictured is not included)5. This attachment is made up of approximately 19 needles which chip at the surface. 6. This tool is suitable for removing rust and paint, it screws on the end of a standard size air chisel.7. Air Descaler Needle Attachment Kit Fits Air Chisel Hammer Removes Paint & Rust8. This attachment is made up of approximately 19 needles which chip at the surface. 7. This tool is suitable for removing rust and paint, it screws on the end of a standard size air chisel.To be used with an air chiselColour: BlackMaterial: SteelHeavy duty steel casingKnurled ringBlack oxide finish to prevent corrosion220mm length30mm diameter (inner)45mm (outer)Package Contents: 1* 19 Pin Air Descaler NeedleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.