Supports for Prusa i3 aluminium frame

Supports for Prusa i3's aluminium frame.
Goes well with my spool holder, since it adds weight on top of the frame, which may cause some wobbling around.

At the default settings, the new support rods have to be 386mm, or let's say ~390mm long.
Also you need to swap the threaded rods at the end of the Y-axis to 370mm long ones.

So you'll need:
2x 390mm M8 threaded rods (Make sure and measure how long ones you actually need).
2x 370mm M8 threaded rods.
16x M8 nuts.
16x M8 washers.
2x a