Powers Fastening Innovations 05022S 3/8-Inch by 4-Inch Hex Head Lokbolt As All Steel Sleeve Anchor， 50 Per Box</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Pre-assembled single unit sleeve anchor available in carbon steel and stainless steel</li><li>Can be used in concrete block， brick and stone</li><li>Powers Fastening Innovations</li><li>Extension sleeves are added to create longer lengths</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/31ArelXNOSL.jpg' noproxy></br>