Self Defense Keychain, Bottle Opener Keychain, Screwdriver Keychain, Keychain Knife, Multi Gadget 5-in-1 multifunctional gadget Detachable Brass Multi-tool Keychain This multi-functional self defense keychain is made of solid brass, strong and durable, light and small, easy to carry, detachable. This detachable keychain can be used as bottle opener keychain, glass breaker keychain, survival keychain, screwdriver keychain, keychain box cutter, use on your demand. Self Defense Keychain You need such a tool on your keychain, which is unique, practical and will not take up more space. It is the best companion with you. Self Defense The self-defense function is our original intention in designing this product. The tungsten steel attack head helps you to keep calm when in danger and protect yourself. Bottle Opener This bottle opener is what you always needed in your daily life. When you keep this in your keychain, it is availiable anytime for use. Box Cutter - Open Your Package We receive packages almost every day. If we carry such a small tool with us, will not have headache about to open the packages anymore. Screwdriver Screwdriver is what we always needed in our daily life, even in this case, when you want to change the keychain blade, you need this tool on hand.