Longruner Professional 3D Printer CNC Kit for ArduinoIDE GRBL CNC Shield + RAMPS 1.4 Mechanical Switch Endstop + DRV8825 A4988 GRBL Stepper Motor Driver + Nema 17 Stepper Motor (LKB02)

• Latest CH340G CNC Shield expansion board Version for ArduinoIDE.
• 4pcs DRV8825 stepper motor driver with heatsink.
• 3pcs NEMA-17 Stepper Motor 84 oz.in (59 Ncm) 47mm Body 1.8 degree with Mounting Bracket Kit DIY 3D Printer CNC Robot with 3pcs Mounting Bracket and 12pcs M3 Screws.
• 3pcs Endstop Mechanical Limit Switches for 3D printer RAMPS 1.4 with 3Pin 70cm Cable.