ZDC housing and insert PA button and MS cam.
https://www.allbro.com.au/itemdetails/hardware/locks/compression-latch/compression-latch-(2)/zdc-housing-and-insert-pa-button-and-ms-cam?code=1010186&type=2&access=2&id=f46fb365-0140-4a3f-8131-da9ed1c6f30f
/__upload/Allbro/Catalogue/images/EC-ZA-0-30--0000176958--2-1.png&MaxImageWidth=450&MaxImageHeigth=450 "Zoom into the product image")
/__upload/Allbro/Catalogue/images/EC-ZA-0-30--0000176958--2-2-drawing.jpg&MaxImageWidth=750&MaxImageHeigth=750 "View Image")