1. A necessary spare small stepper motor for Sherba Mini Extruder or OrbiterrExtruder V1.5, widely work for Most 3D Printer Reprap Ender 3/Ender 3 Pro/ Ender 3 V2/ Ender 5/CR-10/ Voro2.4 3D printer 2. Kindly note: The drive current of the extruder needs to be adjusted to 0.3- 0.35A (method: adjust the voltage to about 0.28-0.3V or adjust the E-axis drive current by firmware) to prevent the motor from overheating. Please follow the correct usage to keep its serving lifetime 3. Strong torque -Holding torque up to 120mN.m, Low loss stators have good thermal control ability, have the same parameters(rated voltage DC 6.5V & current 0.5A) and performance good, a perfect replacement 4. Made of high quality stainless steel, lightweight and durable 5. Package includes:1x motor with integrated cable 47.2 inch long