FPL #3-45-S Sliding Glass Door Replacement Mortise Lock with Adapter Plate, 5-3/8&rdquo; Screw Holes, 45 Degree Keyway- YZD Plating Easily replaces many vinyl, aluminum, and wooden sliding door mortise locks (See dimension photo) Durable all steel mortise lock- No die-cast zinc components Round end face plate, Adjustable hook, 45 degree hub, 5-3/8 Screw holes Adapter plate and keeper /strike available in multiple finishes to match your door hardware Package includes mortise lock, keeper / strike, and installation hardware