HAS 8MM THREADS (NO_LOCK_NUT INCLUDED!!) MUST USE OLD ONES OR SEE THE NUTS AT THE BOTTOM OF THIS PAGE. THE ONLY WAY TO GET NEW TOP NUT IS TO GET THE M645 MIRROR SET THIS WILL WORK FOR THE RIGHT OR THE LEFT SIDE FITS: 1981 Honda NA50 1981 Honda NC50 1981 Honda PA50II 1982 Honda C70 1982 Honda NC50 1982 Honda NX50M 1982 Honda PA50II 1983 Honda C70 1983 Honda NC50 1983 Honda PA50II 1987 Honda SE50 ELITE S 1987 Honda SE50P ELITE 251S @ MIRROR SET (2) FOR PASSPORTS CT70K0_TO_K2 AND_OTHERS ATV'S_STREET_USE 5/16W (M645) (S1251)THESE ARE AFTERMARKET MIRRORS THAT WILL WORK ON THE PASSPORTS, THEY WILL JUST BARELY FIT THRU THE HOLE ON THE HANDLEBARS BUT THEY WILL WORK IF YOU DON'T USE THE LOCK WASHER,, AND YOU SCREW THE TOP NUT UP SO TIGHT YOU ARE MASHING THE THREADS. ??? ): NOT EXACTLY THE BEST,, BUT HAY FOR $20 BUCK A PAIR IT BEATS THE 60.00 FOR THE OEM. MIRRORS? M645 SET M645 (S1251)