RAS Machine Tool Technologies is Metrols North American Distributor. Your source for all part sales and factory authorized repairs. Your #1 source for Metrol Sensors and Tool Eyes for CNC Machines. Metrol specializes in High Accuracy Contact Sensors and the name tags in the majority of CNC Lathes and automotive and semiconductor, etc. production lines in the world. From our experience, we’ve realized that High Accuracy Contact Sensors are more capable, steady, and precise, in addition to being compact, easy, clean and economical for automated systems control.