This turn signal switch relates to the 65-66 Era A bodies.. GTO /Chevelle/ Skylark etc.. for COLUMN auto cars..

NOTE.. it has 8 wires not 7 - probably the easy way to verify it.

NOTE; it is not for .. or not known to be for Tilt Column

NOTE: it has the bearing as part of the center housing as shown on this  original GM image.

This is a new reproduction switch.. quiet rare in sales needs but when needed.. there is no known alternative.