Brunner & Lay products are divided into three major categories: Demolition Tools used for the demolition or cutting of concrete and stone, Rock Drilling Tools including steels and carbide tipped bits which are used to drill blast holes in quarries, mines, and construction projects, and Paving Breaker Tools which are used by the general construction trade. Proudly made in the U.S.A. since 1882 under the ownership and control of the founding family.