This kit is a complete setup for 3D Printer Bowden Extruder (except for stepper motor). It is designed to work with 1.75mm filament. Kit comes unassembled. All necessary hardware is included in the kit.
You will need PTFE boden tubing 4mm OD 2mm ID, stepper motor and bowden connected hotend, to complete bowden extrusion setup. We have all of these parts in our store.