PTFE Remover tool with a very simple handle. Usefull if you find the PTFE tubes hard to remove from the extruder of the A1 printers even with the official PTFE Remover tool provided by BambuLab here: https://wiki.bambulab.com/en/a1-mini/maintenance/ptfe-tube
Check the link above for a tutorial.
Consider printing the new version instead: https://makerworld.com/de/models/79328#profileId-83766