This protective holster could be used for any hand held electronic trouble shooting meter or even a combustion tester it is equiped with a least one magnet on the back of the holster so the technician has both hands free instead of one hand holding the meter and then trying to read the meter this patent also covers a anti-magnetic shield embedded into the holster to prevent any interference from the magnet it could be held in your left or right hand with openings at both ends for the meter leeds.