<http://schema.org/description>
"Rock Carbide&amp;#174; Tip for longer bit life, with an elongated four flute helix for faster material removal and increased steel to prevent breakage. Used for drilling holes in poured concrete and other masonry."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grizzly.com/products/DW5439-1-2-x-10-x-12-Rock-Carbide-SDS-Hammer-Bit/T22901?utm_campaign=zPage>