Complete Accessories: 11PCS Metric and SAE interchangeable mandrels(Metric M3 M4 M5 M6 M8 M10 M12; SAE 10-24, 1/4-20, 5/16-18, 3/8-16) , 110pcs rivet nuts, a multi-function wrench, and a sturdy carrying case. All the tools and accessories can be placed in case. Easy to carry and accessories are not easy to lose | High-quality Design: 17" handles, max multiple of arm forced 45; Delicate shape, ergonomic hand; Handle connecting rod design, quick release nut structure. Its design makes it easier to rivet nut. In addition, when the nut riveting is completed, the open handle automatically exits the nut. No need to manually unscrew. It saves a lot of time and makes the operation simple and convenient | Wide Applications: WETOLS Rivet nut tools can be used for fastening and riveting in various metal sheet and other manufacturing industries. They are suitable for repairing elevators, cars, bicycles, boats, switches, instruments, etc., and they can also assemble and repair doors and windows, furniture, shelves, etc | Tips: Each size mandrel is placed in a separate plastic box. The M8 mandrel has been installed on the tool before leaving the factory, so the plastic box corresponding to the M8 mandrel is empty. Please check it after you received the WETOLS Rivet Nut Tool | After-sales service: If you have any questions, please contact us via order, and we will reply you as soon as possible. If there is a problem with the product, we will replace a new product for you