These drivers are for the 5 button wheelmouse with
the name Keymouse in grey on a cream and gray body.
The mouse is either P/S2, Serial or USB. All drivers are included.
PS2 and Serial Mouse Setup INF file for Win9x/Win.ME/NT40
USB Wheel 5 Button Mouse for Win98/Win.ME
I missplaced the disk and could not find anything on the web for it. So, found the disk and here it is.