Typically used on flats and apartment doors as the roller bolt operation means occupants won't be locked out when the door is closed

• Rollerbolt operation - lock must be manually locked by two turns of the key externally or turning the handle from the inside. Turning the handle from the inside will unlock to allow exit
  
• Complete with keep, cylinder, 3 keys, fixings & fitting instructions
• Large thumbturn to assist with ease of operation
• Ideal for use on doors fitted with door closers
• Supplied with 3 keys credit card packed emergency key