This Key Chain Bottle Opener is blue anodized titanium for strength and lightweight performance. It's a very small, easy to carry little knife that can open a box, a letter and a bottle! When gripped in the palm of the hand with the blade sticking out between your fingers, it is a very formidable defense tool. It has a polished finished that has been engine turned front and back. It can be worn on a key chain, on a chain around your neck or just carried in your pocket. Comes with a Kydex sheath.