Fisher's M-97 Valve and Box Locators are designed specially for finding buried or paved over valves, boxes, vaults, manhole covers, etc. The M-97 detects all metals including aluminum, brass, copper, iron, nickel, steel or tin.

Key Features:

Two knobs and a pushbutton for simple operation
Adjustable shaft with double locking stem
Ground Effect Rejection VLF eliminates annoying or false signals from wet ground foliage, pavement or mineralized ground
High sensitivity for maximum penetration through soil, asphalt or concrete
Built-in Battery Test/Pushbutton Tuning
Ultra Slow Auto-Tune to stabilize ground tuning and minimize frequency drift
Identifies metallic objects by speaker sound and needle movement
Compact size for convenient storage

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