GENERAL P16ART-1SM Articulating Probe, 6mm dia., 3.3 ft.Long. More details: Articulating Probe, 5.5mm dia., Features Probe is 3.3 ft. Long, +/-150 Degrees Sweep, Two Way Articulation, , For Use With General DCS1600 and DCS1600ART, Includes Blow Mold Hard Carrying Case, Manufacturers Warranty Length 3 Year Limited