Glass Door Mortise Latch
Glass Door Mortise Lock, With Adapter For Sliding Patio Doors. Mortise Installation; Steel Housing and Hook with Round End Faceplate. Keyway is at 45 Degrees when Hook is Fully Extended. Hook Projection is Adjustable. Adaptor Faceplate Allows For Use On Wood & Vinyl Patio Doors. Screw Holes are 4-5/8" Apart.