3D Printer Universal Extruder long distance all-metal extruder for Reprap Kossel Prusa with 42 planetary geared stepper motor

Support for 1.75mm filaments.
Suitable for 42 stepper motors and 42 planetary geared stepper motor.

Features:
1. The positive and negative directions can be interchanged;
2. We use compression on spring pin joints, which makes it will not loose for a long time;
3. Mold fixed with spring. It's convenient to adjust the stainless steel wing nut;
4. The inner diameter of the gear reducer version: 8mm, 42 motor gear inner diameter version: 5mm;

Shipping list:

1. all-metal extruded part * 1set;
2. 42 planetary geared stepper motor with cable * 1set;
3. drive gear * 1pc (inner diameter 8mm).