With distinctive comfort grip probes, they are heat and cold resistant with safety ratings up to CAT III 1000V / 10A. Two Soft Silicone insulation lead wires with two threaded probe tips and two safety alligator clips. Test lead set connects a compatible electrical test meter to a device for testing. We use high-quality materials ensures that the test leads are durable, flexible, and resistant to freezing and heat. The Micsoa Premium Test Lead Set has one pair of red and black comfort grip probes with flexible silicone-insulated test leads. With distinctive comfort grip probes, they are heat and cold resistant with safety ratings up to CAT III 1000 V. Premium test tip and plug Pure nickel plated copper test lead tips which does not easily break-off,has solid contact traits and speedy and stable measuring reaction times. The test lead set has a pair of red and black comfortable grip probes with flexible silicone insulated test leads. They feature a unique, comfortable grip probe that is heat and cold resistant. Great for commercial, industrial, and home use.