Simply little kit, sent to all Prusa Mini parts purchasers, free.
Replaces the grub screws with a cap-end m3x4mm bolt. Allowing great bite on the heatbreak and the ability to position the heatbreak a bit higher up, stopping many jams and unpleasant hot end problems.
We now ship each little goody bag-kit with a thermal paste for your heatbreak as well, increase conductivity, reduces play.
For installation instructions CLICK HERE.