Stanley | Fatmax Stud Finder 400 Manual Verified

The Stanley FatMax Stud Finder 400 (often referenced interchangeably with its model number ) is a high-reliability magnetic tool designed to detect steel nails and screws used to secure drywall to studs. Unlike electronic sensors that require calibration and batteries, this magnetic model utilizes a built-in magnet to find the metal fasteners within the wall. Operating Instructions

The Stanley FatMax 400 features a dynamic display that changes based on what is hidden inside your wall. stanley fatmax stud finder 400 manual verified