This fits to many bikes to mention but i believe it will fit the following,
KX450F 2006-2020
ZX750 1984 - 2003
ZX10R 2006 2013
ZX6(R) 1990 - 2020
KLX250 2006 - 2020
and others, but please check part number 92015-1963
Also these are 27mm Socket Hex,32mm bigger hex, with a 26mm recess, some older bikes had 27/35/29mm, see my other listing for these,
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Component Engineering
Truro