Finally, I found an engineer to draw up specs and found a good machine shop to make them. These are 20 mm threaded dedicated Axle End Caps will work on all dedicated short or long axle forks, including DJ, All Mountain, FR, 66 and 888’s. Also will work on Shiver SC & DC. These WILL NOT work on the 380 axles.International shipping is $15 
The more you buy the better the price.
THESE CAPS ARE FRICKEN SWEEET