Powers Fastening Innovations 02266 Wall-Dog - 1/4-Inch by 1-1/4-Inch Zinc Robertson Head Light Duty Anchor， 100 Per Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Installs in wallboard， plywood， concrete， hollow or grout filled block， brick and plaster</li><li>Patent design provides for smooth entry clean， cutting and a strong hold</li><li>100 per box</li><li>Thread design prevents spinning and stripping</li><li>Heat treated point can penetrate metal and wood studs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/216xWS1-2GL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21atni7JkUL.jpg" noproxy>