That's also why there is the convenient pull tab. It is expected that the console cleaner will fit tighter in the connector pins than a game cartridge.

It will not stretch out your pins (just don't store it in the console).

Solvents will cause premature wear.) Q: Can I use the console cleaner on my Retron 3, 4, 5, etc.? A: I don't see why not. (Do not use solvents including isopropyl (rubbing) alcohol on your NES console cleaner. The best practice is to clean it after use using a 1UPCard (available separately) Moisten the 1UPCard with WATER only. FAQ's: Q: How many times can I use the NES console cleaner? A: The console cleaner can be used over and over. Inserts and removes easily with orange grip tab. Clean your 72 pin connector quickly and easily for the NES. Games started up right up after being cleaned with the 1UP card cleaner.This is a newly manufactured console cleaner for the Nintendo Entertainment System. Used it to clean some old NES Cartridges, quick and easy to apply. Just ordered a second set and would gladly recommend to anyone who is interested in collecting and playing retro games. This is a great product for any classic and retro game collector. HIGHLY recommend the item! You will not be disappointed. Started collecting some old retro games and this is exactly the perfect solution for cleaning those items. Perfect size card and the solution cleaned up without much effort. Easily my first go to utility for when I get old games from yard sales. Great for cleaning old games from yard sales! now work the first time I stick them into the NES. I was skeptical, but these things actually work! Games that use to take 2-3 minutes worth of adjusting, blowing, etc. These things work great!! Pleasantly surprised!!!

Video game cartridge cleaner