what size is the axle I lost mine
If it is the same size as all YoYoJam yoyos (which I am assuming it is) you will be looking for 3/4" length 6-32 cup point set screws.
Unfortunately, they are not available at YoYoeXpert, but you can get them here: http://www.yoyonation.com/product.php?productid=16363&cat=262&page=1
I don’t think that will work lol, axiom’s axle is very small compared to other yyjs! But you can try