Very useful tool suitable for removing paint, rust, and other surface contaminants. Suitable for use on heavy-duty applications such as wheels, engine blocks, chassis rails, and box sections. Fits 150mm and 190mm air chisels or hammers. Screw-on design with Allen key grub screws for secure attachment and removal. Loosen slightly during use for optimal performance. (Allen key not included). The attachment features approximately 19 hardened steel needles that chip away at stubborn materials. Designed for efficient rust and paint removal. Air descaler needle attachment kit compatible with standard size air chisels. Heavy-duty steel construction with black oxide finish for durability. Knurled ring for improved grip. Overall length: 220mm. Inner diameter: 30mm. Outer diameter: 45mm. Color: Black. Package includes: 1 x 19-pin air descaler needle attachment. No other items included. Note: Color may vary slightly due to lighting and display settings. Measurement tolerance: +/- 1-3cm.