ASTATIC N564D N565DFIDELITONE AA284 AC284DS AC-284DS
Once you have a visual or part number match, choose your tip/speed option suffix carefully. For details, go to Flip Needles FAQ .
NOTE: the "643" related item below is the "guts" of the 644 needle assembly. So a handy/skilled end-user could re-use the handle of their 644 by installing this 643 assembly and save some money.