![](https://kb-3d.com/store/1975-large_default/counterweight-hardware-kit-for-blackbox.jpg)
This hardware kit for the Blackbox Tool Changing 3D printer includes a length of 2mm paracord and PTFE tubing inserts.
300mm of 3x5mm PTFE Tubing - Opaque
3.2 Meters of black 2mm UHMWPE Cord
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