21 functions 1.lock blade 2. corkscrew 3. can opener 4. small screwdriver 5. lockable bottle opener 6. screwdriver 7. wire stripper 8. reamer, punch 9. key ring 10. tweezers 11. toothpick 12. wood saw 13. scissors 14. long and fine Philips screwdriver 15. metal saw 16. metal file 17. pliers 18. wire cutters 19. wire crimping tool 20. philips screwdriver 21. mini screwdriver