This Survival Knife MultiTool & Specialty Knife By Cable And Case Is A Credit Card Sized 10-in-1 Tool Is Extremely Compact And Useful. 10 Tools In All, Including 1. Serrated Knife 2. Bottle Opener 3. Small Slotted Screwdriver 4. Big Slotted Screw driver 5. Compass 6. Magnifier 7. Tweezers 8. Toothpick 9. Ruler 10. Nut or bolt wrench