Set consists of silicone-insulated TL220 flexible test leads (red and black), stainless-steel TP220 industrial test probes (red and black), and AC220 industrial alligator clips (red and black). 63" long test leads. Suggested for Electrical/HVAC applications. CAT III, 1000V, CAT IV 600V, 10A rating. Shrouded right-angle connectors. UL listed.