ITW Brands 24293 15 Pack， 5/16" x 3"， Steel， Hex Washer Head， Large Diameter Tapcon Concrete Anchor</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Steel hex washer head Tapcon large diameter concrete anchor</li><li>Designed for fastening applications in concrete， block & brick</li><li>Use them to attach electrical equipment lumber， shutters， hose reels， downspouts & more</li><li>Topcon anchors are coated with blue climaseal for superior corrosion resistance</li><li>Highly durable， crafted with steel</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41v4x5tdXPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31xI3KYPCjL.jpg' noproxy></br>