Flush bolt ASSA 8312 Application Used for inward- and outward-opening two-light windows without mullion and double doors. Features Keeps the passive sash closed when the other sash is opened. Function When opening the passive sash, the other sash must be opened enough to access the folding manoeuvre arm. When closing, the manoeuvre arm brings the bolt into a locking position, and the arm is then folded back into a locked position. Material Housing of zamak. Surface treatment chrome plated, satin chrome or brass plating. ASSA 8312 has a bolt of galvanized steel with bolt stroke 0-17 mm. Accessories Striker 4800 (acetal plastic) and screws included. Security flush bolt 1215Used for inward- and outward-opening two-light windows wi… Flush bolt ASSA 9312Used for inward- and outward-opening two-light windows wi… Security flush bolt 1220Used for inward- and outward-opening double doors. 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!