"STRAIGHT FLUTED, PILOTED FINISH REAMERS ARE DESIGNED TO CUT CLASS 1 RETAINERS TO THE SIZES LISTED IN FTI-9705. THE NON-CUTTING PILOT WILL FIT INTO THE RETAINER ONLY AFTER INSTALLATION. FINISH REAMERS ARE NOT REQUIRED FOR CLASS 2 OR CLASS 3 INSTALLATION. ALL FINISH REAMERS ARE COBALT."