Outside door, the dead bolt and latch bolt are operated with key.
Inside door, the dead bolt is operated with key by two steps (10/24mm). Latch bolt is individually operated with handle. Pulling the latch bolt back to open position and turning 90º, the latch bolt is held in the lock case. Turning back 90º, the latch bolt can be pushed out by spring.
Latch and deadbolts are bright nickel-plated.