‎M3, M4, M5, M6, 6-32, 8-32, 10-24, 1-4-20

NEXTACK Rivet Nut Tool Rivet Nut Kit with a Step Drill Bit & 80 Nutserts for One-Handed in Tight Space, 8″ Rivnut Tool Setter with 8 Mandrels Incl. 6-32 & 8-32 in Organized Carrying Case NT600