Obedient and soft metal replacement probes for the DCS1600 and DCS1800 Video Borescopes. Replacement probes are available in either 3.9mm or 5.5mm diameters, and range in length from 0.75m (2.46ft) to 30m (98.4ft). Our 3.9mm obedient probe (#P1839) is the worlds slimmest borescope probe, equipped with a video camera and adjustable LED lights imbeded in its tiny head. It is ideal for the inspection of tiny spaces in aircraft inspection, engine check ups and other high demand industrial inspection applications.