Traderight Dial Indicator Gauge MagneticDESCRIPTIONIf you are looking for a magnetic base dial indicator, you are probably a mechanic or like to work on cars. Your new dial indicator will help you to measure all manner of parts in your car. Use the magnetic clamp to latch your magnetic dial indicator onto a ferrous surface. The plunger should be at right angles to whatever you are measuring. Test and then make all the measurements you need. Accurate measurements require absolute stability.