The P5050 Passive Voltage Probe is manufactured by Tektronix. The P5050 has a 1.3 meter cable length and a compensation range from 16 pF to 22 pF.
The P6137 Passive Voltage Probe is designed by Tektronix. The P6137 has a 1.5 meter cable and weighs 3.9 ounces.
The TPP0500 Passive Voltage Probe by Tektronix has 10X attenuation and a TekVPI interface.