Banana Plug, Hand Held Voltage 1000V AC/V DC, Hands Free Voltage 1000V AC/V DC, Max. Amps - Test Lead Connector 20, Instrument Safety Rating CAT III 1000V, Body Material - Test Lead Connector Brass, Contact Finish - Test Lead Connector Nickel Plated, Contact Material - Test Lead Connector Beryllium Copper, Insulating Material - Test Lead Connector Lucel, Color - Test Lead Connector Black, Wire Size 18 AWG, Operating Temp. 14 to 131 Degrees F, Standards IEC 1010-2-031, RoHS