2 pair of brushes and springs for ringfield motors.   Fits  all 3 pole ringfields and some early 5 pole ringfields.  If in doubt check your service sheet.  There are multiple part numbers for these brushes. X8466 / S8319 / S8328.  They are 2.78mm diameter & 3.9mm length. The spring part numbers are S8382 / X8329.