MACH3 4Axis UC300 Controller Kit for QueenBee Ultimate Bee Work-B CNC Router This UC300 system is an upgrade to our NVUM system. m Closed Loop Stepper Motors. More Details of UC300 4 Core Shielded Cable (X, Y, A, Z Axis) 4. 2 Core Shielded Cable (X, Y, Z Axis) 3. We provide three suit type for you to choose. byJuly 5, 2026
