The Perfecta security rim lock is a mechanical lock for wooden frames. The lock works with a pump cylinder and has been developed to improve security for existing wooden entrance doors. Perfect for large wooden doors, the lock features internal control mechanisms (key guide and/or knob, tie rod and latchbolt) and telescopic rods allowing the user to adapt it to different door heights. The lock and its accessories are brown-coated, guaranteeing aesthetic balance with wooden doors.