"C/O FIXTURE 1,PROBE HOLDER 1,PROBE 3; PROBES & HOLDERS ARE STORED IN A LABELED CASE; PROBE GEC .254S/2 HAS SPLIT CORE DIFFERENTIAL COILS,PROBE 9R-1 HAS AN ABSOLUTE SHIELDED COIL,PROBE SGEMF 32R-1 HAS AN ABSOLUTE UNSHIELDED SIDEMOUNT; ALL PROBES OPERATE AT 2 MHZ"