Twistguard Test Probe, Voltage Rating: 1000 V, Amperage Rating: 10 Amp, Diameter: Tip: 2 MM, Ul Listed, Conforms to EN61010-031, Cat Ii 1000 V, Cat Iii 1000 V, Cat Iv 600 V Rated, For Use With The TL22X Series, TL238 and TL27 Test Leads and Multimeters