Handle fixture 842 Application For handles on windows and doors without screws for safety. Used together with lockable espagnolettes. Material Acetal plastic. Mounting Handle fixtures is mounted with espagnolettes. Cover plate 823For situations where handle holes need to be covered. Triangular pin 56For espagnolette operated with triangular key ASSA 145. N… Handle coupling 833Used for glazed door with single sash, which should have … 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!