How long does the Flint last in a Zippo?

Related questions

1. Does Walmart sell Zippo fluid?
2. Are old Zippo lighters worth money?
3. Why is zippo so famous?
4. What are zippo wicks made of?
5. What is a good substitute for Zippo lighter fluid?
6. Can a Zippo explode?
7. What can I use instead of Zippo lighter fluid?
8. Are zippos reliable?
9. How long will a Zippo lighter last?
10. Why do Zippo Wicks have copper?

Tags

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15. #weeks
16. #average
17. #zippos
18. #though
19. #there
20. #single
21. #answer
22. #times
23. #strikes
24. #multiple