Sash coupler 80 Application For windows and glazed doors with coupled sashes. Features Fits both right and left. The carrier pin gives enough space between the outside and inside sashes. Construction: a) Coupling housing with locking arm b) Carrier pin Material Zamak. Locking arm of galvanized steel. Installation Coupling housing to be recessed. The carrier pin is surface-mounted. When the coupling housing has been screwed into place, the sashes are put together. The coupling housing studs then mark the correct position for mounting the carrier pin. Use screw no. 5 (3.0 mm) TFX / DIN 7997. Cover plate 823For situations where handle holes need to be covered. Plate 1857/1857TFor espagnolettes with lock or seal shall be operated wit… Handle locking device ASSA 850Approved child-resistant locking device. For windows and … Do you want to create a safe lock environment? ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide Want to download our product catalogues? If you prefer to download our product catalogue - you can download it here! We also provide instructions, declarations and other documents in our download documents section.Check it out!