AA5101 Description: AA5101 ASSA ABLOY Euro mortise lockcaseDoor thickness: 35mm to 50mm Finish: SSS - Satin Stainless Steel Outside: Opened by handle at all times Inside: Opened by handle at all times AA510RPassage Latch - AA5100 Series AA5109Passage Latch - AA5100 Series AA5103 6072Passage Latch - AA5100 Series