For aluminum rivets, steel rivets, and iron rivets, the kit includes 5 rivet heads, 2 wrenches, 3 claws, 1 U.S.-specification air nozzle, and 1 removable collection bottle. Multi-Purpose Rivet Gun Kit:All-in-One Professional Package. Includes 5 rivet heads (3/32", 1/8", 5/32", 3/16", 1/4"), 2 wrenches, 3 claws, 1 U.S.-standard air nozzle, and a removable collection bottle – ready for aluminum, steel, and iron rivets Interchangeable Rivet Heads:Quick & Flexible Size Change. Easily switch between 5 different rivet sizes for versatile applications. Ideal for mechanics, builders, and DIY enthusiasts Powerful 3916 lbs Pulling Force:High Efficiency Work. Air-hydraulic drive provides 3916 lbs (1780KGF) pulling pressure, completing rivet installations in seconds while saving time and reducing fatigue Ergonomic & Comfortable Design:Reduce Hand Fatigue. Lightweight and easy to grip, reduces strain during long working hours, ensuring labor-saving operation and improved productivity Wide Applications:Professional & Industrial Use. Perfect for construction, automotive, elevators, furniture, instruments, and other industries, delivering reliable fastening solutions across multiple fields