Sliding plates 874 Application For inward- and outward-opening window. Features Stops the sash from catching the bottom part of the outside frame. Surface mounting. Screw (applies to all) Use no. 5 (3.0 mm) TFX/DIN7997 Material Acetal plastic, white. Protective plate 873For outward-opening windows and glazed doors. Sliding plates 1654ASSA 1654 for inward-opening windows. Sliding plates 4995For inward- and outward-opening window. 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!