Convenient and compact! The Meinl Drum Tech Multi Tool covers the essentials needed by drummers and drum techs. This portable multi-tool includes a drum key, flat screwdriver, Phillips screwdriver, socket wrench, hex drivers (2, 2.5, 3, 4, 5mm), and a bottle opener. If that in't enough, it also attaches to any bag or case with the carabiner hook. This is ideal for when you are on the road and want to scrap the tool bag!