15mm x 255mm Lead Screw w/ Ball Bearings Cantilever Z-Axis Perkin Elmer Janus

Lead Screw Assembly. Approximately 15mm diameter by 255mm active length. Includes bearings for support at one end. Construction of lead screw appears to be stainless(?) as it is mildly magnetic. 

This was removed from a Perkin Elmer Janus system.