Proline CSC4-1/4 1/4-Inch by 4-Inch Carbide Tipped Masonry Drill， 12-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Short 4-inch length for tighter locations</li><li>Carbide tipped drill</li><li>Deep flute for better material extraction</li><li>Used in light to medium hard building materials</li><li>Used to cut the following material: concrete， brick， terra cotta， sandstone， cinderblock， ceramic tile and slate</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21nDDkojCkL.jpg" noproxy>