3-Inch scaling chisel</br>For concrete removal?? hard surface break up and chiseling</br>SDS-max shank</br>12-Inch length</br>One-piece design</br></br>Product Description</br></br>Bosch offers a full assortment of hammer steel points and chisels. Bosch brings innovation to concrete and masonry drilling with increased efficiency and higher durability. All Bosch chisels are manufactured with a proprietary heat-treat process.</br><br/>http://www.amazon.com/gp/product/B0009H5NKQ