The Hillman Group 372170 Wedge-Bolt Anchor， 1/2 x 3-Inch， 20-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Wedge anchor size is equal to hole size</li><li>No maximum hole depth</li><li>Permanent installation</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ZaNelRqbL.jpg" noproxy>