. Made of brass with all-round insulation. The upper jaw is non-conductive to prevent accidental short-circuits on contact with the mouth open. The insulation in this version also allows it to be used in the measurement category CAT IV.
. Made of brass with all-round insulation. The upper jaw is non-conductive to prevent accidental short-circuits on contact with the mouth open. The insulation in this version also allows it to be used in the measurement category CAT IV.