Spacer device ASSA 4986 Application Used for cylinder in the Vinga series. Fixing plate ASSA 7352Used for single sash or coupled sash where only handle AS… Spacer plate 4548Used when mounting is done without drilling for the secur… 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!