The Outdoor Edge Box Opening Assistant (B.O.A.) is a compact and effective tool that is useful for much more than opening boxes. It's got a durable glass-filled nylon handle with sculpting and texturing for secure and comfortable grip, and the blade deploys easily with the thumb stud. To release the blade, just slide the switch and pull it out. With gimping anywhere you could possible need it, this knife is comfortable in the hand in a multitude of grips.