EASY TO USE - Toolless operation to change heads, to have your work done in few simple steps.ORGANIZED STORAGE SOLUTION - Keep the tool and all its accessories organized and neat.VARIOUS MANDRELS & RIVNUTS - The rivet nut tool kit comes with 15 mandrels M3 M4 M5 M6 M8 M10 M12 6-32 8-32 10-32 10-24 1/4-20 5/16-18 3/8-16 1/2-13, and 236pcs sorted rivet nuts to meet a wide variety of usage scenarios.STRONG AND DURABLE: Made from thickened carbon steel with heat treated and high-strength aluminum alloy, it is durable enough for long life performance.PREMIUM SERVICE - Please don't hesitate to let us know if you are not satisfied or have any question.