Prime-Line E 2199 Stainless Steel Mortise Lock – Adjustable, 45-Degree Keyway, Round Face (Single Pack)

Upgrade your sliding patio door with the Prime-Line E 2199 stainless steel mortise lock. Built to endure in varied environments, this lock blends a corrosion resistant housing with a round end face plate for easy adjustment and a clean, secure fit on many door styles.

Key features include an adjustable projection distance via the round end face plate, allowing you to fine tune how far the hook projects when the door is locked. The hook latch engages with a 45-degree keyway orientation when fully extended, helping align the mechanism with your strike plate for smooth operation.

Designed for wood, aluminum and vinyl sliding doors and compatible with W and F manufactured handles, this mortise lock uses mounting holes spaced at 3-11/16 inches on center. For best fit, compare the line art and confirm these dimensions match your door before purchasing.

Why this mortise lock is a solid upgrade

• Corrosion resistant stainless steel housing and faceplate for long lasting performance in exposed environments
• Round face plate enables adjustment of the hook projection for a better door alignment
• 45-degree keyway orientation helps ensure proper engagement when the door locks
• Versatile compatibility with wood, aluminum and vinyl frames and with W and F handles

Practical use scenarios

• Replacing an old or broken sliding door lock without replacing the whole unit or frame
• Upgrading to a robust mortise lock on patio doors that see seasonal use and weather exposure
• Maintaining proper door alignment and ease of operation across different door materials

Note that installation details and dimensional information are best confirmed by reviewing the line art and comparing it to your door setup. This product delivers durable construction and flexible fit, offering a practical option for standard sliding patio doors.