DeWalt DW5441 1/2" x 22" x 24" Rock Carbide SDS Plus Hammer Bit;

Dewalt DW5441 Specifications:1/2" Diameter22" Usable Length24" Overall LengthDewalt DW5441 Features: ROCK CARBIDE tip maximizes carbide surface contact for longer bit lifeInnovative tip that reduces walking and increases accuracyFour Flute cleans debris out for fast, efficient drillingGuaranteed to set up to 25-percent more anchors than other standard masonry bitsDesigned with three flats on the shank that prevent it from slipping back into the chuck, ensuring user safetyHammers through the hardest aggregate with minimal wear or breakage