For use with brick. block. concrete. steel. aluminum. ceramic tile. backer-board. wood. PVC. and drywall. Up to 85% faster in metal vs. standard masonry drill bits. SHOCKWAVE Impact Duty engineered for hammer drills and impacts. Up to 10x longer life in stacked materials. Use in hammer mode for faster drilling in masonry and concrete. Durable carbide tip for a wide range of tough applications. Ideal for drilling through layered materials. Less bit changes for increased productivity. Not recommended for porcelain tile. Available in sizes up to ½.