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Welcome to the #1 Online Parts Store!
Welcome to the #2 Online Parts Store!
Welcome to the #3 Online Parts Store!
JIS stands for Japanese Industrial Standard
JIS nuts have a smaller wrench size than European metric nuts.
JIS 8mm nut uses a 12mm wrench size
JIS 10mm nut uses a 14mm wrench size.
JIS 12mm nut uses a 17mm wrench size.