【Complete accessories】with 6 mandrels (M3,M4,M5, M6,M8,M10),30 nuts (each mandrel 5 rivet nuts), can meet your various riveting operations. 【Method of use】 A wrench is needed to fix the hexagonal rivet head and turn the threaded rod (which can be driven by hand or by an electric drill) to realize the function of riveting the nut of rivet 【Sturdy and Durable】This premium hand rivet nut tool is made of chrome plated steel with heat treated finish, which gives this tool extra durability and strength, and the blackened treatment prevents the corrosion has a longer life. And the manual rivet nut tool is equipped with a case for easy storage and to prevent loss. 【Wide Nut Kit provides a custom fastener solution for wide riveting applications, this rivet tool set is perfect for joining all kinds of metal plates and pipes. It can be widely used for automobiles, aviation, railways, elevators, furniture, decoration and other electric lighting Industrial riveting products.