Stainless 5/16 x 1-1/2" Hex Lag Screw (1" To 5" Lengths Available in Listing)， 18-8 Stainless Steel， 25 pieces (5/16 x 1-1/2")</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>300 Series Stainless Steel， (18-8)</li><li>Tensile - 100，000 psi to 125，000 psi， Hardness - 85 Rockwell B</li><li>5/16 x 1-1/2" Hex Head Lag Screw (also known as lag bolt)</li><li>Great corrosion resistance for outside applications</li><li>25 Pieces</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/31MfRZi38cL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51GHDhEnw0L.jpg' noproxy></br>