Vermont American 14114 Rotary Hammer Bit， 9/16-Inch by 6-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Use rotary hammer bits for drilling in concrete， stone， brick and cinder block</li><li>A specially formulated carbide tip withstands impact sustained from hammer drills</li><li>Entire length of bit is fully hardened to Rockwell 45 C for extra strength</li></ul></div><img src="http://ecx.images-amazon.com/images/I/414N-jl6wHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311wXnPF8LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51FnPtqFyKL.jpg" noproxy>