Original Ender 3 Direct Drive Upgrade Kit, Comes with 42-40 Stepper Motor Hotend Kit, 1.75mm Direct Drive Extruder Fan and Cables Support Flexible TPU Filament

• 100% Official - Ender 3 direct drive upgrade kit, compatible with Ender 3/Ender 3 V2/Ender 3 Pro 3D Printer. Supporting all 1.75mm diameter filament especially for flexible filament such as TPU, PLA and other flexible filaments.
• Easy Assemble - Switch Bowden extrusion to direct extruder at any time and easy to disassembly. It doesn't affect the inherent function of the printer because it's a full extrusion kit. Come with longer connecting cable, tools, accessories and diagram instruction, easy to assemble.
• Smooth Feed-in - Lower torque requirements on the stepper motor, reducing the possibility of the nozzle blockage when retracting filament and malfunction when loading new filament.
• Strong & Sturdy All Metal Hotend - This direct extruder kit is all metal structure, durable and wear resistant and Integrated structure is convenient for wiring and replacing.