Product Description ------------------- This Cylinder Lock by Slide-Co is constructed of brass and comes with corrosion-resistant, chrome-plated steel face. This style of lock cylinder is designed for use with patio sliding door locking handle sets, and other add-on locking devices. It is 1-1/4 inch, with a tail that is 1-7/8 inch Features a 5-pin tumbler with 2 keys. The lock body is solid brass construction with a hardened break-away tailpiece. Use to replace damaged key cylinders in most surface mount handles. From the Manufacturer --------------------- This patio door cylinder lock features a hardened break away tailpiece. It is used to keylock most surface mount handles. This cylinder fits a Schlage keyway and includes two keys.