there is a tool that your pro shop should have that measures diameter to tell if its too small. and to just take a shot in the dark, from your description alone it sounds like it is in fact illegal. I dont know exactaly what its called, but I know we have one in our shop lol. that dosnt help you but ask around, it looks like a huge washer/o-ring...
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"I don't like country music, but I don't mean to denigrate those who do. And for the people who like country music, denigrate means 'put down'" - Bob Newhart
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If guns kill people then spoons made Rosie O'Donnell fat!
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Some people are like Slinkies....
Not really good for anything, but they still bring a smile
to your face... when you push one down a flight of stairs.