The Airlock is part of Kershaws Starter series, designed to provide more style and more advanced featuresfor less money. For style, the Airlock has a slim, speedy look with a distinctive cutout in the handle that mirrors the handle shape. This airlock lets you see through to the stainless steel liners. A Decorative pivot works with the handle machining for an integrated look. The reversible pocket clip looks like a pen clip and helps the Airlock almost disappear in your pocket