Goldak 777-A Leak Detector with M-79 Disc-Shaped Microphone + 12" Microphone Probe + Headphones + Small Hard Case Fisher F22 All-Metal Mode: Provides the deepest

All-Metal Mode: Provides the deepest detection and highest sensitivity for small gold nuggets

This advanced technology allows the RMD-1 to detect both ferrous and non-ferrous metal objects on or beneath the ocean floor while ignoring minerals in the seabed

while high frequency systems provide high resolution with shorter range

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Goldak 777-A Leak Detector with M-79 Disc-Shaped Microphone + 12" Microphone Probe + Headphones + Small Hard Case Fisher F22 All-Metal Mode: Provides the deepestGoldak 777 A Leak Detector with M 79 Disc Shaped Microphone + 12" Microphone Probe + Headphones + Small Hard Case Goldak 777 A Leak Detector is a preferred choice for experienced underground leak locating professionals, trusted for decades. This advanced model is highly sensitive, offering clear and accurate results through its low noise circuitry. Goldak's 777 A Leak Detector is ranked #1 for detecting residential and commercial slab leaks. With