The Meinl Drum Tech Multi-Tool covers the essentials needed by drummers and drum techs: a drum key, flat screwdriver, Phillips screwdriver, socket wrench, hex drivers (2, 2.5, 3, 4, 5mm), and a bottle opener. It attaches to any bag or case with the carabiner hook. SPECIFICATIONS Made in: Taiwan Length: 21 cm Key fact: drum key flat screwdriver and Phillips Screwdriver socket wrench, hex drivers and bottle opener Height: 2 cm Width: 11 cm