Price: Feature: –The magnetic pull force 150KG was tested using a computer-controlled tensile tester, it is the vertical pull-force which make the fishing magnet pull way from the steel
Price: Product Description PQWT-TC300 Long Range Water Detector 300 Meter PQWT-TC300 geophysical prospecting mapping with one button underground water detector utilize the natural electric field as working electromagnetic field source,