The Lunamax Titanium 8-in-1 Mighty Key is the perfect combination of style and function. Add it to your keychain and always have the tool you need at your fingertips. The Lunamax 8 in 1 Mighty Key includes: Bottle opener, Flat screwdriver, box opener, File 6, 6.5, 8, 10 mm wrench. Size: 2"" x 0.9"" x 0.1"" (5.8cm x 2.3cm x 1.3cm) Weight: 0.2 oz (7g).