Little Wizard #24902:

Precision Metal Detector For Locating Nails, Screws and Other Metal Inside New and Recycled Wood, helping to prevent costly blade damage.

The Little Wizard can easily be fine-tuned or adjusted to your environmental conditions and is not affected by moisture content of wood.

The Little Wizard metal detector was designed as an affordable aid in locating potentially damaging metal objects inside wood. When used correctly, it can save many times its cost in damaged planer, saw and jointer blades. Preventing this damage also helps minimize frustrating shop downtime as you stop work to replace damaged blades.

1yr warranty  9 volt battery required (not included)