Material: The Profolu rivet nut gun features a robust carbon steel body and a chromium-vanadium steel rivet head. It comes with an anti-slip PVC stalk cover for enhanced grip. Functionality: This tool is essential for a variety of applications including automotive repairs, machinery assembly, furniture restoration, and boat construction. Its versatility makes it a must-have in any toolbox. Included Accessories: The 86-piece rivet nut set contains everything you need: - 1 high-quality hand rivet gun - 5 mandrels (M3, M4, M5, M6, M8) for various sizes - 80 rivet nuts in total (20 each of M3, M4, M5; 10 each of M6, M8) Ease of Use: The ergonomic design allows for easy single-handed operation, minimizing fatigue. The tool includes a key to secure the non-slip stems and mandrels, ensuring a smooth experience while working. Convenience: The complete set comes in a durable carrying bag, making it easy to transport and store. Stay organized by having all your components in one place, ready for your next project. Practical Applications: - Perfect for securing parts in car repairs, ensuring strong and reliable connections. - Ideal for assembling trailers, providing a sturdy and efficient solution for construction. - Essential for home furniture repairs, allowing you to fix and restore pieces with ease. Make your task simpler with the Profolu rivet nut gun set, designed for efficiency and convenience in every job.