Crafted of durable stainless steel, the Nite Ize® DoohicKey Multi-Tool features 6 tools for doing everything from tightening bolts and screws to opening a bottle. Lightweight and compact, this key-sized multi-tool attaches easily to a key chain or strap with an included carabiner clip. The tool may be used as: a box cutter, bottle opener, wrench, ruler, and flat-head screwdriver. 2.6"L x .7"W x .1"H.