we offer Renishaw Xl-80 Laser System.RENISHAW XL-80 Laser SystemWith interferometer calibration of Vertical Machining Centre, Horizontal Machining Centre, CNC Lathe, Jig Boring Machine & CNC Turning Machine with DRO & CNC Controller, etc. Accuracy + or -0.5 ppm Resolution : 1nm Range : 80 Mtr.