- Compatibility : This sliding door lock is designed to fit screw hole spacings of 3-15/16". Please verify that the lock slot matches your existing setup before purchasing. - Simple Installation : Installing your new sliding glass door lock is straightforward with our comprehensive instruction manual. You can complete the installation in approximately 20 minutes using just a screwdriver. - Versatile Design : The patio sliding door handle set features a non-handed design, making it suitable for both left and right-handed doors. This flexibility ensures that it will fit your door perfectly, regardless of its configuration. - Complete Package : Included in this kit are a reversible handle set, mortise lock, thumb latch, key, and three different lengths of screws to accommodate various door thicknesses. Everything you need to replace your old handle set is provided. - Practical Applications : Ideal for upgrading security on patio doors, this lock is also perfect for replacing worn-out handles in rental properties or enhancing the durability of sliding doors in high-traffic areas. Its easy installation and robust design make it a practical choice for homeowners and landlords alike. - Performance : Built for durability and reliability, this sliding door lock provides peace of mind by securing your entry points effectively while maintaining ease of use. Ensure your sliding doors are secure and functional with this reliable sliding door lock set, designed for straightforward installation and versatile use.