PVC D&D Lokk Latch - Deluxe Lockable - Both Sides Keyed Alike - With Hinge Pair and Screws (Not A Pool Safe Latch)
D&D Technologies LLD3KDWT LokkLatch Deluxe Series 3, Premium Privacy and Security Gate Latch, Key Lockable on Both Sides of Gate, for Metal, Wood, and Vinyl Fences, White : Amazon.co.uk: DIY & Tools
Lokk Latch with External Access Kit | Fencescape Fencing
D&D Lokk Latch Deluxe 3 Gate Lock With External Access