This cylinder housing and 5-pin tumblers of this lock are constructed of brass, it comes finished with a chrome face and features a hardened cut-away tailpiece. This cylinder lock is used to keylock most surface mounted patio door handle sets and works with vertical and 45 degree keyways. Compatible keyways include those manufactured by Weiser, Kwikset & Weslock. Tip: If keyed-alike cylinders are desired for more than one lock, kindly see Prime-Line’s model number E 2107. From the Manufacturer This cylinder lock is constructed from solid brass. It features a 5 pin tumbler lock and a keyway that is compatible with Weiser, Kwikset, & Weslock. This item is used to key lock most surface mount handle sets.