Z Axis lifter with 8″ (200 mm) travel . Precision ball screw driven with linear rails in a sealed enclosure with a stainless steel cover to minimize contaminants in the mechanism. Built-in proximity sensors for end of travel, homing, secondary pressure sensing, and magnetic breakaway. Clean cable carrier for all cabling including wiring for optional laser pointer. Includes sturdy holder for 1.75″ diameter torch. Can be driven by stepper or servo motor (not included).