This is a brand new original Yamaha swing-arm pivot bolt & nut for the following models. 

YZ125 02-04, 

YZ250 03-04, 

YZ250F 03-04, 

WR250F 02-04,

WR426F 2002, 

YZ426F 2002, 

WR450F 03-04, 

YZ450F 03-04.

 free shipping is in the US only. Thanks