It’s a survival kit you can keep in your wallet!
1. Small blade/letter opener. 2. Ever-useful scissors, 3-4. Mini-ruler (cm and inches), 5. Stainless steel pin, 6. Ballpoint pen, and 7. Tweezers. Then add: 8. an LED (light emitting diode) mini-light, 9. magnifier, and 10-13. four screwdriver bits (3mm, 5mm, Phillips 00-0 and Phillips 1-2)