https://telegra.ph/10-Van-Hook....-Lock-Fitting-Relate
https://www.openlearning.com/u..../hammerriley-smaa2f/
Sliding Door Hook Lock With Key Sliding doors are elegant and sophisticated, but can be difficult to secure. Simple bolts will not suffice however, there are a variety of locks that can be used to secure sliding doors. Mechanical locks are simple to install and do not require batteries or electricity. They offer basic PIN access, but do not have the remote features that smart locks provide.