Product strengths: Innovative drill head and tip geometry with a 25% larger carbide tip for better performance and durability. More aggressive cutting angle for up to 20% faster drilling speed. The extra short drill head allows for direct dust entry into the spiral groove and improves dust removal. The center point prevents wandering. The new extra deep, asymmetrical spiral groove ensures faster dust removal and shorter drilling times. The body is made of fully hardened chrome-vanadium steel for maximum stability and longer lifespan. Suitable for drilling in concrete, masonry, brick, concrete block, and granite. Warranty coverage: No warranty.