5 Pcs nut rivet mandrels: M3/M4/M5/M6/M8. Totally 80pcs Ribbed Rivet Nuts, M3(20pcs), M4(20pcs), M5(20pcs), M6(10pcs), M8(10pcs) to Meet Your Various Needs.Easy to Operate, just drill a hole in the workpiece, assemble the appropriate rivet nut onto the tool, insert it into hole, squeeze and then complete.Labor-saving design: Includes Wrench to hold handles and adjust mandrels, robust, ergonomic tool cover with non-slip rubber hand.86 pcs Rivet Nut Kit: All tool and accessories are packed in a plastic Case for good storage and easy portable use. Note: Apply for alloy nut and iron untether tool does not apply for steel nut, just for alloy nut(m3, M4, M5, M6, M8) and iron nut(m3, M4, M5, M6)Size: The total length of the gun body is 270mmDetailed size see pictureQuantity: 86pcsColor as shown