A portable, easy-to-transport carrying case houses the lightweight, hand-held HS-50 Hole Scannerand its controls. The scanner accepts a wide range of hole inspection probes, both shielded andunshielded, with the most popular sizes being in the range of 3/16” to ½”. The probe issimultaneously rotated and linearly driven into and out of the hole via a thumb operated rocker switch.Rotational speeds are continuously variable from 40 to 120 RPM and the probe linear travel is .025”for each revolution. The scanner also includes a control for setting the probe insertion depthanywhere within the range of 0” to 1-1/2”.