M8 mandrel already on the tool that is why plastic box is empty . RZX is professional of rivet nut tool filed.We have more than 10 years experiences in rivet Nut tool.We are the the first company sell on since2014. We more know Rivet nut tool. We only supply”simple,classic,save effort,sturdy,” tool,also our price is competitve.No doubt,we are you best choice. Shorter handle with double compound hinges that maximize leverage -Includes Hand Nut/Thread Setting Riveter -12 interchangeable mandrelsepiece sets included size in Metric M3 M5 M6 M8 M10 M12and in SAE 10-24, 1/4-20, 5/16-18, 3/8-16 1/2-13 Versatile and powerful hand nut/thread setting riveter, takes the hard work out of setting rivet nuts -Ergonomic grip for easy operation, Ideal for working in hard-to-reach area Hand Riveter Kit
【EASY TO USE】- Tool-free quick-change head design make it simple to change mandrels and nose pieces quickly without the need for additional tools, smooth your project and save your time
【DESIGN FOR SAVING ENERGY】- The 16 inch longer carbon steel arm and ergonomic handles with double compound hinges maximizing leverage , it can save more effort than those normal 13 inches rivet nut tool do
【WIDE APPLICATIONS】- Provide a customized fastener solution for wide riveting applications, such as body panels, bicycle attachments, furniture and decorations, especially for off-road / Jeep modifications
【COMPLETE ACCESSORIES】- Equipped with 12PCS interchangeable mandrels(Metric M3 M5 M6 M8 M10 M12; SAE 10-24, 1/4-20, 5/16-18, 3/8-16，1/2-13)
【SATISFACTION & 】2 Year – If any problem in use,please feel free to us, we will reply you as soon as possible.