Hi have post (inches and millimeters), have a problem with mm post, we adjust only Z but I thing that the X and Y are not in the origin stock the code G are in other place. I receive this two post from my dealer. Only the post in inches are work with out problems. Any suggestion. MX4 Harding mill AMD Phenom™ II X6 1035T + ATI Radeon HD 5450 1GB Genuine Windows® 7 Home Premium, 32Bit, English 4GB Dual Channel DDR3 SDRAM at 1333MHz- 2 DIMMs