D&D Technologies LLD3KA LokkLatch® Deluxe Privacy & Security Gate Latch is the premium privacy and security gate latch with simplified through-post installation, operates, locks and unlocks from both sides of the gate and is easy to install. Designed for commercial or residential applications it is the perfect high-level complement to D&D’s popular LokkLatch® line that includes the general purpose LokkLatch and the LokkLatch 3 Plus residential security gate latch.