HighTorque Stepper Motor, Stepper Motor, .
X axis ball nut block and bearing block . Y motor mount for Nema 23 Stepper motor. Y axis ball nut block. Z motor mount for Nema 34 motor. Z axis ball nut block bearing block. Zero backlash helical couplings for X, Y axis for 3/8 " Dia. Motor shafts. Zero backlash helical coupling for Z axis .