Alligator Clip Max Amps - Clip or Probe 10.0 Max Voltage - Clip or Probe 600VAC/DC Instrument Safety Rating CAT III 600V Tip Material - Test Probe Nickel Plated Steel Jaw Material - Test Clip Nickel Plated Steel Color - Clip or Probe Black/Red Opening Size - Test Clip 1.00 In. For Use With - Test Clip and Probe Multimeter Test Leads with 4mm Sheathed Banana Plugs Insulating Material - Clip or Probe Thermoplastic Hand Held Voltage 600VAC/DC Hands Free Voltage 600VAC/DC