Blue, yellow and red leads with retractable shroud plugs 3 phase voltage or continuity measurements Probes are rated at 600 V CAT III and fitted with a 50 kA, 1000 V, 500 mA fuse to protect against electrical arcs Each probe is fitted with a safety crocodile clip along with finger guards Also a single probe tip is supplied so that one of the three leads can be used as a prod