USB CNC Controller Mach3 4 Axis 100KHz Interface Board MK1 USB CNC Controller Mach3 4 Axis 100KHz Interface Board MK1 [RMCS-2404] - ₹1,750.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits
ChinaCNCzone USB CNC Software Setting Video - YouTube
CNC USB controller Mk3/4 (4 axis) - Planet CNC
SainSmart CNC 4-Axis Kit with TB6600 Driver ST4045 & Nema23 270oz-in Stepper Motor, USB Controller Card, Nema23 Stepper Motor and 36V Power Supply: Amazon.com: Tools & Home Improvement