4-axis Stepper Robot Arm High Precision 3D Printing Arm For Arduino Robot DIY Kit with Suction Cup CNC Driver Programmable Robot

4-axis Stepper Robot Arm High Precision 3D Printing Arm For Arduino Robot DIY Kit with Suction Cup CNC Driver Programmable Robot Product Introduction: This is an open source 3D printing technology production of a mechanical arm, the use of stepper motor drive, relatively high precision, air pump suction head. Parameters: Arm size: length, width and height about 21*14*27cm Stepper motor model: 42 motor Stepper motor voltage: 12V Product features: With 3 stepper motors and with the pulley, the control is accurate. Suction cup air pump, easy to suck up a variety of items Large size, power foot Note: 1.3D printing production, there may be burrs, mind caution 2, the delivery of pieces, provide online tutorials, self-assembly Shipping list: A set of stepper motor arm with motor with air pump with suction cup parts