What size axle does the BBYY Bully take?

General Yo-Yo
1

What size axle does the BBYY Bully take? mines getting loose, gunna try locktight, but would like an alternative if that doesn’t work. thanks!

2

M4

Half an inch long. or 13mm long.

3

Thanks, can you buy that on yoyoexpert of the other site with yoyo in it’s name I’m pretty sure we can’t say here?

4

Go to your local Ace Hardware store. They have them and they are only $.50. Can’t beat that.