100% Brand New Premium Rivet Nut Tool Replacement Mandrel Head Manual Rivet Head Spare Parts Rivet nut shank and nut drive port will eventually need to be assembled. Easy to use, no shedding.< /p> Save money by replacing nut rivet mandrels instead of buying a new riveter Model: M4+M5+M6+M8+M10 Color: black + white Material: Steel Package Content: 5 x Mandrel Rivet Tool Only the above package content, other products are not included. The photos are a little different from the reality. The allowable measurement error is +/- 1-3 cm.