THIS IS APEX DYNAMICS INC HIGH PRECISION PLANETARY GEARBOX AND MOTOR WITH A KEYED OUTPUT SHAFT, WITH A RATIO OF 80:1, WITH A MITSUBISHI ELECTRIC HF-KP43K MOTOR. THIS GEARBOX IS NEW, WITH A TOTALLY REFURBISHED MOTOR TO MEET OR EXCEED REQUIRMENTS FOR THE APEX DYNAMICS GEARBOX. ALL ASPECRTS OF THIS MOTOR AND GEARBOX HAVE BEEN TESTED AND WORK TO SPEC. THIS APEX COMBINATION IS READY TO GO IN YOUR MACHINE TO GET YOU UP AND RUNNING. MOST SUPPLIERS ARE EITHER OUT OF STOCK OR A WEEK OR TWO TO GET THIS MOTOR SET UP TO YOU. I CAN HAVE THIS TO YOU IN A COUPLE DAYS.