"At just 1/2"" thick and about the size of a stack of credit cards, the Trailblazer Firearms LifeCard Single-Shot Pistol with Threaded Barrel delivers personal protection in the smallest form factor possible. It's simple to operate and fits neatly in a pocket or bag, and it has a sleek snag-free design that won't catch on clothing when drawn. Once unfolded, the LifeCard features a full-sized grip that makes it easy to point and shoot. The handle has storage for 3 extra rounds. Completely ambidextrous operation. Made from aluminum, steel, and polymer. Safety features prevent it from firing when closed. This model features a 1/2""-28 threaded barrel and aluminum grip. Just 1/2"" thick and roughly the size of a stack of credit cards Just 7 oz. Sleek, snag-free design Full-size grip when unfolded 2.5"" threaded barrel with thread protector Ambidextrous operation Storage in handle for 3 extra rounds Safety features prevent it from firing when closed"