Suzuki Side Panel Frame Cover Knob with 55mm shaft M6 thread      FITS MODELS  A100 1975 (M) UNITED KINGDOM (E02)A100 1989 1990 1991 1992A100-4 All years GT250 1973 1974 1975 1976 1977 (K) (L) (M) (A) (B) USA (E03) K10 K11 K15 1968 USA (E03) New old stock    It seems that there are two different lengths of this item, 73mm and 55mm. All mine are 55mm, please check before purchasing.