This kit is a complete setup for 3D Printer Bowden Extruder. It is designed to work with 1.75mm filament. The kit comes unassembled and includes a stepper motor if you choose this option.
All necessary hardware is included in the kit.
1 x Steel mounting angle
1 x Aluminium main extruder body
1 x Aluminium tension lever
1 x Idler bearing for 1.75mm filament
1 x Stainless filament drive gear for 5mm bore (NEMA 17 shaft)
1 x High tension spring
2 x PC4-M6 straight tube fittings
1 x Assembly screws
1 x NEMA 17 Stepper Motor, with connection cable