This package is designed for BF20 Style Mill, Busy Bee CT129, PM-20,
WMD20, The kit has received a lot of attention

Here is the discussion in cnczone

http://www.cnczone.com/forums/showthread.php?t=97057


A: 3 pcs G201X  7A, 80VDC

B: 1 PCS NEMA34 KL34H280-45-4A, HIGH TORQUE STEPPER MOTOR
640 oz-in for Z  axis or KL-34H280-55-4A

C: 2 PCS NEMA23  KL23H2100-30-4BM, dual shaft Motor 495 oz-in for X ,
Y axis

D: 1 PCS KL-7212, 72VDC, 12A  Power Supply

E: 1 PC C11G multifunction Breakout Board, you can  Updated to USB
smoothstepper board ( add $159)

G: 1 PC 5V Power Supply for C11G Breakout Board

Mach3 License $149 (optional, not included)