Powers Fastening Innovations 7423SD1 Power-Stud and Sd1 1/2-Inch by 4-1/2-Inch Type Carbon Steel Wedge Expansion Anchor Carbon Steel Clip， 50 Per Box</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Fully threaded， torque-controlled， wedge expansion anchor</li><li>Designed for consistent performance in cracked and untracked concrete</li><li>Powers Fastening Innovations</li><li>Manufactured with a zinc plated carbon steel body and expansion clip</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/31UwL9w28fL.jpg' noproxy></br>