Only a poor craftsman blames their tools but only a daft one ignores them. <br><br> Quality work involves accurate and durable tools, and CO-Z's 6-in-1 chisel set is the right kit for you if your home improvement involves removing or grooving ceramic tile, masonry, concrete, brick, granite, or other stonework. Made from premium 40Cr steel drop-forged and heat-tempered for strength and durability, our drill bit set gets your work done easily and precisely. No more make-do. Each chisel bit fits your SDS Plus hammer drill precisely and is carefully designed to do its job.