Magnetic Base Stand - TOOGOO(R) Adjustable Magnetic Gauge Stand Base Holder Digital Level Dial Test Indicator This is a nice indicator tool for you ! Magnetic stand that uses a switchable permanent magnet for convenient mounting onto flat iron or steel surfaces. The arm can be hydraulically locked in any position using the knob on the upright . Useful for holding dial indicators or dial test indicators during alignment operations. V-grooved base for secure mounting on cylindrical surfaces.