CRL Zircon® OneStep® MultiScanner® *DISCONTINUED* Hand Cleaners & Dispensers it has teeth that are

it has teeth that are designed to use on aluminum and various non-ferrous metals

Very commonly used when scraping walls

the surface should then be washed with a mild detergent solution or an alcohol and water solution to remove all excess polymer (this "excess" is what sometimes looks like "stains" and makes the surface look darker in spots)

metal and hot electrical wire in walls up to 1-1/2" (38 mm) thick

CRL Zircon® OneStep® MultiScanner® *DISCONTINUED* Hand Cleaners & Dispensers it has teeth that areFinds Wood or Metal Stud Centers, Metal Pipes, and Live Electric Wires Automatically Calibrates In Stud or Metal Modes, WireWarning Alert Detects the Presence of Unshielded Hot Electrical Wiring ACT Auto Correcting Technology Checks Calibration 10 Times Per Second and Recalibrates Automatically to Ensure Accuracy The CRL Zircon OneStep MultiScanner can accurately locate wood or metal stud centers, joists, metal and hot electrical wire in walls up to 1