DEWALT DW5461 7/8-Inch by 10-Inch by 12-Inch ROCK CARBIDE SDS Plus Hammer Bit
The DEWALT DW5461 Rock Carbide SDS-plus Hammer Bit handles the toughest masonry with extreme accuracy and speed. The Rock Carbide tip greatly improves the bit life, and the elongated four flute helix design channels debris out of the way more efficiently than other bits. The DW5461's steel construction prevents breakage under stress, so you get more usage from this bit in the long run. Diameter: 7/8 inch; usable length: 10 inches; overall length: 12 inches.