I also thought it was for 4 balls. The title is misleading. Now I understand it was about the pressure gauge and yes I should have looked more closely at the description but as other reviews have said they are usually between $1.50 and $2.00 at any craft store. I am so disappointed. Mostly my fault for not reading further, but the title could have been more specific. I hope others keep reading and rating and don't make the same mistake I did.
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