Looking for a handy tool to keep on your key chain that's also antimicrobial? I think you found it. We crammed about all the useful things we could come up with into one little Antimicrobial tool. It can turn handles, open doors, tighten/loosen 1/4", 5/16", 3/8", 7/16", & 1/2" Bolts, can be used as a defensive tool, break glass, works on all touch pads and lastly open a bottle of your favorite beverage. Solid Brass construction, laser cut, made in America. What else would you want in a handy tool that fits on your key chain?