Swiss+Tech ST33350 Carabiner 6-in-1 Key Ring Multi-Function Tool Tools And Locking Mechanism Snap Into Position Unmatchable Feeling Of Quality Quick Release Mechanism The carabiner multi-tool has 6 tools in a compact and lightweight design Includes: bright LED flashlight for when you need additional light, a straight edge knife for cutting small items, bottle opener, Phillips and flat head screwdrivers, and a carabiner key ring clip Compact size: 2.6 inch x 1.1 inch x .6 inch and weighs only 1.6 ounces Includes 3 replaceable AG10 batteries Limited lifetime warranty