The mechanism on an automatic knife also needs to be robust. There’s a lot of force applied to the grip and blade when you push the button on an automatic knife. The knife should be built well ...

Automatic knives are subject to a variety of legal ... In a double-action knife, the blade deploys and retracts with each ...

Zero Tolerance breaks the mold and enters the automatic knife space with the gorgeous, burly 0512 — a muscular, handsome pocket auto.