Mortise Lock

is constructed of steel components with rounded faceplate ends It features an adjustable, springloaded hook latch projection and works with mortise style, surfacemounted patio door handle sets with vertical keyway positions when in the locked position The mounting hole centers of this lock measure 31116 in from center to center, and the rear housing corners are square This is used by W and F patio door manufacturers and a variety of other manufacturers Selection Tip To ensure the perfect match is selected prior to purchasing, the lock will need to be removed to compare the following 4 features besides the width of housing 1 The distance of the mounting holes measured from center to center, 2 The faceplate ends rounded or square, 3 The position of the slotted keyway when in the locked position at 45 degree angle or vertical, and 4 The shape of the housing corners at the rear square or slanted