New patented magna system from TESA Fully protected against the penetration of liquids or solid contaminants Highly reliable through a double protection against functional upsetting. IP65 prevent dust, particles of metal, spraying water or oil from entering the caliper through effective encapsulation of the main parts. New electric measuring system immune against liquids and magnetic fields. New TESA patented measuring system with magnetic divisions Outstanding functional reliability in the thoughest workshop conditions High quality construction Accurate, easy to handle.