Milwaukee Tool 13-Inch Carbide SDS-PLUS Masonry Core Bit Adaptor (New)Introducing the Milwaukee Tool 13 Inch Carbide SDS PLUS Masonry Core Bit Adaptor perfect for drilling large holes in brick, block, and concrete. Its asymmetrical carbide teeth and two piece design offer up to 20% faster drilling speeds and the ability to use multiple core bit sizes. With a spiral core body design and centering bits, dust removal and accurate spot drilling are a breeze. Achieve deeper holes with ease, thanks to the outer edge cutting