Key sized multi-tool that easily attaches to an existing key chain or strap Secure stainless steel construction A variety of useful tools in a compact, easy to use design Features the following tools: box cutter, bottle opener, wrench, ruler, and flat head screw driver Made of durable stainless steel, the Nite-Ize DoohicKey features a half-dozen tools that do everything from tighten bolts and screws to open a bottle of refreshment, all in a simple key tool that fits in the palm of your hand. On one end of the DoohicKey is a sturdy carabiner clip, allowing you to attach keys to it, or attach the DoohicKey itself to any loop or ring. Opposite the clip is an etched ruler for on-the-spot measurements, and the carabiner opening is strategically shaped to function as a wrench. On the other end, the DoohicKey features a bottle opener, a flat head screwdriver, and a box cutter. With a streamlined, clever design that makes it easy to carry, attach, remove, and reattach, it's a handy tool to have.