Tektronix THDP0100 High Voltage Differential Probe: 100 MHz bandwidth, 100X/1000X attenuation, 2.5 pF input capacitance, 6000V peak differential voltage, THDP Series.
Teledyne LeCroy T3HVD7000-100 High-Voltage Differential Probe: 100 MHz bandwidth, 7 kV peak differential voltage, 2.5 pF input capacitance, 40 MΩ input resistance, T3HVD Series