I take it you are looking to find one to fit a 135mm rear spacing. Suitable for using a 7spd screw on block?
Don't know if this helps but....
I managed to score what I thought was an Bullseye Axle suitable for 135mm.
What I got when it arrived was an axle with an overall length of 135mm.....but I hadn't taken into account the axle part that locates to the drop outs.
The actual dimension you will need is a 143mm axle.
A 135mm axle will only fit a 130mm spacing.
Useful as it also tells you how many washers you need to space and sizes.
Good luck with the search for these. They seem to be very rare.
Most wheelsets / hubs I've seen for sale are all the 130mm spacing. I've been looking to get some made, no luck so far though.