Schlage FB50N V SIE 609 B60 Single Cylinder Deadbolt and F51 Keyed Entry Siena Knob Keyed Alike， Antique Brass finish</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Single cylinder deadbolt operates with a key on the exterior and a thumbturn on the interior</li><li>Deadbolt features biggest bolt diameter for maximum kick-in resistance and hardened steel deadbolt core that spins to resist saw attacks</li><li>Knob is field reversible to allow it to be used on both right handed or left handed doors</li><li>Snap and Stay design on deadbolt cuts installation time in half</li><li>Larger deadbolt thumb turn is easier to grip</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/31y%2BgtFJPeL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51doyzWbtUL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51uW1ghws2L.jpg' noproxy></br>