FastenMaster FMHLGM412-12 HeadLOK Heavy-Duty Flathead Fastener， 4-1/2 Inches， 12-Count<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Manufactured in China</li><li>Easy to use</li><li>Highly durable</li><li>Nationally code compliant stronger design shear values than 3/8 inch lag screws</li><li>No predrilling--zips right in</li><li>Patented Spider Drive virtually eliminates cam-out</li><li>Guaranteed corrosion resistance for the life of the project; ACQ approved</li><li>Free Spider Driver bit in every package</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51A4yAzFf3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GVSH-hBzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RbMB3rFtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VVydwOUeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Pfgk1QqyL.jpg" noproxy>