The white Lokk Latch Regular Gate Latch (S3) with External Access is key-lockable and a general-purpose gate latch for all square post materials. The Lokk Latch takes a radical new approach to the gravity latch principle, combining the unique benefits of key-lockability and reliable latching action with superior design and rust-proof components. It is made of super-strong, rust-free polymers and 316 marine-grade stainless steel components, so it will not rust or corrode. This makes the Lokk Latch not only durable but also reliable.Lokk Latch also offers a high degree of versatility, as it is adjustable both vertically and horizontally to ensure proper fit and reliable operation. Side-fixing legs provide easy fitting and alignment, as well as extra fixing strength. This Lokk Latch can be fitted to all square post gates and fencing materials and can be adapted to left or right swimming pool gates. This model has External Access (push-button), so the latch can be locked from both sides of the gate.The Lokk Latch is a general-purpose gate latch. It is perfect for home and garden gates.Please Note: Locking the External Access does not lock simultaneously the main latch.