Axle Double 8mm Torx M6 L33mm pcs.

This is a the axle that is used normally to mount universal brakes on inline skates,

It also works great in combination with a normal M6 torw screw to upgrade your plastic frame axles (like aggressive skate frames).
Torx screwhead give a much better connection then the normal Allesn/Hex connection.
An example of an M6 screw that would work great with this axle is this one:
https://www.thisissoul.com/products/powerslide-frame-bolt-torx-m6-l10mm

Sizes: 8mm Diameter;
Length of the axle = 33mm;
M6 Thread

Sold per axle.