Key Specifications & Benefits: Model: 36-20 (Ender-5 Max E-axis specific – not compatible with X/Y or Z variants) Step Angle: 1.8° (200 steps/rev) for precise, skip-free feeding Shaft: Round with integrated 12-tooth gear; ~7 mm shaft length Cable Length: ~90 mm with standard connector Compatibility: 100% official for Creality Ender-5 Max (direct-drive extruder) Ideal for resolving under/over-extrusion, motor noise, skipping steps, or complete failure after heavy use on 400×400×400 mm builds.