Lock case 310 Application Lock case for interior doors in industrial buildings, retail premises, toilet doors, etc. Features Available with backset 35, 50 and 70 mm. Complies with the requirements of Swedish Standard SS 3522, class 2. With hook bolt and lever latch. Handing of the lever latch is reversible. Lever latch of hardened steel for fire-rated doors. Hook bolt interlocks the door and the frame. Function Hook bolt is operated with the key or the thumbturn. Lever latch is retracted with the lever handle or the key Ordering Options 357528163057 LOCK CASE 310-35 RH 357528433057 LOCK CASE 310-35 MA RH 357528165057 LOCK CASE 310-35 LH 357528435057 LOCK CASE 310-35 MA LH 357424163057 LOCK CASE 310-50 RH 357424883057 LOCK CASE 310-50 20-PCS RH 357424433057 LOCK CASE 222-35 MF RH 357424165057 LOCK CASE 310-50 LH 357424885057 LOCK CASE 310-50 20-PCS LH 357424435057 LOCK CASE 222-35 MF LH 357529163057 LOCK CASE 310-70 RH 357529433057 LOCK CASE 310-70 MA RH 357529165057 LOCK CASE 310-70 LH 357529435057 LOCK CASE 310-70 MA LH Close Lock case 311Lock case for interior doors in industrial buildings, ret… Lock case 313Lock case for interior doors, sliding and swing doors, re… Lock case ASSA 340 Connect and 236 Connect340 Connect is a lock for interior doors in industries, o… 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!