Standard tone tracing unit includes 200EP-G inductive amplifier and 77M-G tone generator.
701K-G Kits include The 77Hp-G High Power Tone Generator . The 200Ep Tone Probe Amplifier in a rugged, woven nylon carrying case (700C) . . 601K-G Kit is a more basic version of the 701K-G Kit, and includes The 77M-G Tone Generator . The 200B-G Tone Probe Amplifier in a zippered nylon pouch . .