Nite Ize - DoohicKey Key Tool Do everything from tighten bolts and screws to open a beverage with the smart, strong and straight up fun, Nite Ize DoohicKey Key Tool. This keychain multi-tool features a box cutter, a bottle opener, wrench (.25, .3125, and .375), ruler (inches and centimeters), carabiner, and flathead screwdriver. Made of durable stainless steel, the Nite Ize DoohicKey Key Tool is sturdy and reliable. Streamlined, thoughtful design makes it easy to carry, attach, remove and reattach to always be at-hand. Measures 2.6 x .7 x .1 and weighs .4 oz, for easy grab-and-go functionality you should expect from a great keychain multi-tool. Available in black or stainless. Whats the point of a great keychain multi-tool if you cant travel with it? We sure dont know! Thats why the Nite Ize DoohicKey Key Tool has a compact design to fit into any purse, pack or bag, and is TSA-friendly. Nite Ize has been creating innovative, solution-based products with quality, performance and value at the core for over 25 years. Based in Boulder, Colorado, we aim to continue offering imaginative and innovative products that make our customers lives easier, safer and more fun.