M3-M12 Professional Heavy Hand Tool Riveter Nut Rivnut Gun Mandrels Rivet. Multiple Nuts: 110pcs rivet nuts as followings: M3-20pcs, M4-20pcs, M5-20pcs, M6-20pcs, M8-10pcs, M10-10pcs, M12-10pcs. Versatile and powerful hand nut/thread setting riveter, takes the hard work out of setting rivet nuts.
eBay