Voltcraft ms 4 test probe set voltcraft ms 4 p the voltcraft ms 4 safety test lead set is supplied with attachable alligator clips they are ideal for use with all types of multimeter for measurements in category ii up to 1000v the protective caps of the probe tips can be removed p p the fully exposed 4mm banana plugs enable reliable contact in power outlets and laboratory test sockets the two coloured double insulation means any damage to the test leads can be detected immediately