DEWALT DW5916-1-Piece 2-Inch By 12-Inch SDS Max Core BitDEWALT One Piece Carbide Core Bits feature a low friction core for fast drilling and rugged one piece design. An alternating tooth design boosts durability and helps you center with ease. A tool free centering bit enables fast, easy removal. Includes 1X DEWALT 1 Piece 2 Inch By 12 Inch Sds Max Core Bit Features Alternating tooth design delivers increased durability and quicker centering.