Powers Fastening Innovations 02896 1/4-Inch Inside Diameter by 1-1/8-Inch Outside Diameter Type 304 Sealing Washer with Epdm Seal， 100 Per Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The Zama Nailing is a tamper proof nail drive anchor which has a body formed from Zama alloy</li><li>Can be used in concrete， block， brick or stone</li><li>100 per box</li><li>Nails are available in carbon or stainless steel</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31vVDb1NIcL.jpg" noproxy>