Size: M3 / M4 / M5 / M6 / M8. 5x Nut rivet mandrel: M3 / M4 / M5 / M6 / M8. 10x M8 threaded rivet nuts. 24x M4 threaded rivet nuts. -Labor Saving Design: Tool with Mandrel Knob to easily separate the rivet nut from Riveter after it has been fixed; The Tool Stop Lever limits the opening of handles after the nut has expanded to prevent the thread of the nut from deformation.
