Multi Mark Magnetic Drywall Locator Tool 11316EVS it is powered by one

it is powered by one 9V battery that will last approximately 100 hours

The Heavy Calc Pro works in and converts between metric formats

It uses powerful rare-earth magnets to locate and cut through paneling

and adjust the tension of the wheel for improved accuracy

This powerful calculating device is designed specifically to meet the needs of real estate agents

Multi Mark Magnetic Drywall Locator Tool 11316EVS it is powered by oneThe Calculated Industries Multi Mark Magnetic Drywall Locator Tool makes it easy to accurately locate and cut electrical access holes even for the first time! It uses powerful rare earth magnets to pinpoint the exact location of hidden electrical boxes in sheetrock, drywall, paneling and other materials. With no measuring required, this magnetic locator tool eliminates costly measuring errors and saves on wasted drywall sheets. Watch as productivity